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    55 Products

    Dry-Running Flanged Sleeve Bearings

    Image of Product. Front orientation. Contains Annotated. Flanged Sleeve Bearings. Dry-Running Flanged Sleeve Bearings.
    Made of naturally slippery plastic so you’ll never have to add lubricant. They’re ideal for clean environments where you need to prevent oil drips or graphite flakes. Compared to metal bearings, they are lighter and will never rust.
    Flanged sleeve bearings combine a sleeve and thrust bearing in one. The flange supports thrust loads and prevents the bearing from being pushed out of place. The sleeve is the simplest way to support the load of a rotating shaft while reducing friction. Also known as plain bearings.
    Ultra-Low-Friction Rulon J—These bearings glide effortlessly for applications with frequent starts and stops, such as conveyor systems.
    Moisture-Resistant Ultra-Low-Friction Plastic Blend—These bearings won't warp or swell from humidity or direct contact with water. They glide effortlessly for applications with frequent starts and stops, such as conveyor systems.
    For Shaft
    Dia., mm
    For Housing
    ID, mm
    Lg.,
    mm
    Flange
    OD, mm
    Flange
    Thk., mm
    Dynamic Radial Load
    Cap. @ Speed
    Dynamic Thrust Load
    Cap. @ Speed
    Color
    Temp. Range,
    ° F
    Each
    Ultra-Low-Friction Rulon J
    172320293370 lb. @ 60 rpm270 lb. @ 60 rpmGold-400 to 5006377K323000000
     
    Moisture-Resistant Ultra-Low-Friction Plastic Blend
    17199251215 lb. @ 60 rpm250 lb. @ 60 rpmYellow-50 to 1902705T1590000
     

    Oil-Embedded Sleeve Bearings

    Image of Product. Front orientation. Sleeve Bearings. Oil-Embedded Sleeve Bearings.
    Install and forget these self-lubricating bearings. All are made from porous metal and saturated with oil to reduce maintenance and downtime. A good all-around choice, they are used in everything from palm-sized fans in electronics to tire-sized pulleys. Although these bearings will work in most conditions, oil may drip away if temperatures get too high. Consider a graphite-lubricated bearing for higher temperatures or places where you can’t afford the mess. All are fabricated, lubricated, and inspected in the U.S.
    With no moving parts, sleeve bearings are the simplest way to support the load of a rotating shaft while reducing friction. Also known as plain bearings.
    841 Bearing Bronze—A classic choice for a starter pick. Also known as SAE 841 bearings.
    Synthetic Oil Base—A high-quality lubricant makes all the difference. Synthetic oil is less sensitive to temperature changes than mineral oil, so it won't get runny and leak away at higher temperatures.
    For Shaft
    Dia., mm
    For Housing
    ID, mm
    Lg.,
    mm
    Dynamic Radial Load
    Cap. @ Speed
    Base Oil
    Temp. Range,
    ° F
    Each
    841 Bearing Bronze
    172215790 lb. @ 60 rpmSynthetic Oil-35 to 3006658K19500000
    1722201,050 lb. @ 60 rpmSynthetic Oil-35 to 3006658K1960000
    1722251,300 lb. @ 60 rpmSynthetic Oil-35 to 3006658K1970000
     

    Dry-Running Sleeve Bearings

    Image of Product. Front orientation. Sleeve Bearings. Dry-Running Sleeve Bearings.
    Made of naturally slippery plastic so you’ll never have to add lubricant. They’re ideal for clean environments where you need to prevent oil drips or graphite flakes. Compared to metal bearings, they are lighter and will never rust.
    With no moving parts, sleeve bearings are the simplest way to support the load of a rotating shaft while reducing friction. Also known as plain bearings.
    Nylon—The most popular choice, nylon is wear resistant yet economical. Keep in mind, though, that it will swell and weaken when exposed to moisture.
    Each
    For Shaft
    Dia., mm
    For Housing
    ID, mm
    Lg.,
    mm
    Dynamic Radial Load
    Cap. @ Speed
    Color
    Temp. Range,
    ° F
    1-24
    25-99
    100-Up
    Nylon
    172220125 lb. @ 60 rpmOff-White-10 to 2206389K818000000000000000000
     

    Dry-Running Insert Bearings

    Image of ProductInUse. Install by hand into a housing (sold separately). Front orientation. Sleeve Bearings. Dry-Running Insert Bearings.
    Image of Product. Front orientation. Sleeve Bearings. Dry-Running Insert Bearings.

    Install by hand into a housing (sold

    separately)

    Replace your ball bearing insert with plastic inserts that don't require lubrication. They’re tough, wear resistant, and won't absorb water in wet and humid environments. Use the bearing housing number on your existing mounted bearing to choose a compatible insert. You'll be able to install them into a metal pillow block or flanged housing bearing by hand.
    For Shaft
    Dia., mm
    For Mounted Bearing
    Model No.
    Temp. Range,
    ° F
    Each
    Plastic Blend
    17UCF203, UCFL203, UCP203-55 to 1904462N11000000
     

    One-Way-Locking Ball Bearings

    Image of Product. Front orientation. Ball Bearings. One-Way-Locking Ball Bearings, Shielded.

    Shielded

    Image of Product. Front orientation. Ball Bearings. One-Way-Locking Ball Bearings, Sealed.

    Sealed

    Prevent shafts from reversing direction. These bearings have internal components (sprags) that lock against the outer ring to transmit torque one way but spin freely in the other. They're often found in backstopping, indexing, and overrunning applications. For example, they're used to prevent conveyors from reversing.
    Shielded—The balls are covered just enough to keep out large particles while allowing air to pass through and dissipate heat.
    Sealed—The best choice for dirty environments. A barrier seals out dust so it won't gunk up or wear down the balls. However, these bearings retain the most heat since air can't flow through.
    Steel—Strong and wear resistant. However, these bearings are best for dry environments since moisture will cause them to rust.
    ABEC Rating—Bearings with an ABEC rating meet industry tolerance standards established by the Annular Bearing Engineers Committee (ABEC). They're rated on a scale from 1 to 9. The higher the rating, the tighter the tolerance. Bearings rated ABEC 1 or 3 are precise enough for most applications. If your application consistently runs at high speeds or requires high accuracy, consider bearings rated ABEC 5 or higher, since they generate less friction and heat.
    Temp.
    Range, ° F
    For Shaft
    Dia., mm
    For Housing
    ID, mm
    Wd.,
    mm
    ABEC
    Rating
    Dynamic Radial
    Load Cap., lb.
    Max. Rotation
    Speed, rpm
    Max. Torque,
    ft·lbf
    Min.
    Max.
    Inner Ring
    Type
    Bearing Trade
    No.
    Each
    Shielded
     
    Steel
    17401211,2708,20023-40170StandardFZ 62034752N420000000
     
    Sealed
     
    Steel
    17401711,2707,30023-40170StandardFZ 6203 2RS4752N25000000
     

    Quick-Grip Screw-Clamp Bushings

    Image of Product. Front orientation. Pulley and Sprocket Bushings. Quick-Grip Screw-Clamp Bushings.
    Also known as Trantorque bushings, these tighten with a twist of the collar nut—no screws needed. As you tighten the collar nut, the inner sleeve contracts onto the shaft and the outer sleeve expands to hold your sprocket, pulley, or gear.
    For Shaft
    Dia., mm
    OD,
    mm
    Overall
    Wd., mm
    Max. Torque,
    in·lbf
    Each
    Steel
    1732291,9002298K640000000
     
    Zinc-Plated Steel
    1738382,1002298K16000000
     

    Two-Piece Shaft Collars

    Image of Product. Front orientation. Shaft Collars. Two Piece, For Round Shafts.

    For Round Shafts

    Image of Product. Front orientation. Shaft Collars. Two Piece, For Keyed Shafts.

    For Keyed Shafts

    Attach these collars anywhere along your shaft, which helps when other components are already installed or you can't access the end. They clamp firmly and evenly without marring the shaft, so you can reposition or remove collars later.
    Black-Oxide Carbon Steel—Dark and matted for a finished look, but with minimal corrosion resistance. Best for dry environments.
    Chrome-Plated Carbon Steel—Resist moisture and mild cleaning solutions better than zinc-plated collars.
    303 Stainless Steel—Withstand moisture and mild cleaning solutions, such as acetone and ammonia. These are easier to machine than other stainless steel collars.
    316 Stainless Steel—More corrosion resistant than 303 stainless steel collars. These collars withstand salt water and harsh chemicals, such as bleach, chlorine, and phosphoric acid.
    Aluminum—One-third the weight of steel and corrosion resistant.
    For Round Shafts
    For Keyed Shafts
    Clamping
    Screw
    Keyway,
    mm
    For Shaft
    Dia., mm
    OD,
    mm
    Wd.,
    mm
    Type
    No.
    Included
    Each
    Wd.
    Dp.
    Each
    Black-Oxide Carbon Steel
    173613Socket Head26063K3800000052.33390N17000000
     
    Chrome-Plated Carbon Steel
    173613Socket Head23388N2200000———0
     
    303 Stainless Steel
    173613Socket Head23369K3500000———0
     
    316 Stainless Steel
    173613Socket Head29652T2200000———0
     
    Aluminum
    173613Socket Head29520T2200000———0
     

    Shaft Collars

    Image of Product. Front orientation. Shaft Collars.
    Slide these collars from one end of your shaft and tighten the clamping screw. They grip firmly and evenly without marring the shaft, so you can reposition or remove them later.
    Black-Oxide Carbon Steel—Dark and matted for a finished look, but with minimal corrosion resistance. Best for dry environments.
    Zinc-Plated Carbon Steel—A step up from plain carbon steel collars, these withstand occasional exposure to moisture.
    303 Stainless Steel—Withstand moisture and mild cleaning solutions, such as acetone and ammonia. These are easier to machine than other stainless steel collars.
    Aluminum—One-third the weight of steel and corrosion resistant.
    Clamping
    Screw
    For Shaft
    Dia., mm
    OD,
    mm
    Wd.,
    mm
    Type
    No.
    Included
    Each
    Black-Oxide Carbon Steel
    173613Socket Head157445K41600000
     
    Zinc-Plated Carbon Steel
    173613Socket Head157445K45200000
     
    303 Stainless Steel
    173613Socket Head19616T41600000
     
    Aluminum
    173613Socket Head19506T31600000
     

    Plastic Shaft Collars

    Image of Product. Front orientation. Shaft Collars. Plastic Shaft Collars.
    Lightweight alternatives to metal collars for weight-sensitive applications. Slide these collars from one end of your shaft and tighten the clamping screw. They grip firmly and evenly without marring the shaft, so you can reposition or remove them later.
    Acetal—Resist swelling when exposed to moisture.
    Clamping
    Screw
    For Shaft
    Dia., mm
    OD,
    mm
    Wd.,
    mm
    Type
    No.
    Included
    Each
    Acetal
    173613Socket Head13761N12000000
     

    Set Screw Flexible Shaft Couplings

    Image of System. Hubs, Split Spider, and Retaining Ring Shown Assembled. Front orientation. Contains Annotated. Flexible Shaft Couplings. Set Screw Flexible Shaft Couplings.
    Image of System. (Each Component Sold Separately). Front orientation. Contains Annotated. Flexible Shaft Couplings. Set Screw Flexible Shaft Couplings.

    Hubs, Split Spider, and

    Retaining Ring Shown

    Assembled

    (Each Component Sold

    Separately)

    Image of System. Hubs and Spider Shown Assembled. Front orientation. Contains Annotated. Flexible Shaft Couplings. Set Screw Flexible Shaft Couplings.
    Image of System. (Each Component Sold Separately). Front orientation. Exploded view. Contains Annotated. Flexible Shaft Couplings. Set Screw Flexible Shaft Couplings.

    Hubs and Spider Shown

    Assembled

    (Each Component Sold

    Separately)

    Each hub includes a set screw (unless noted), which bites into your shaft to hold the coupling in place. Also known as Lovejoy® couplings, these three-piece couplings have a spider-shaped cushion between two hubs to reduce shock and handle minor shaft misalignment.
    A complete coupling consists of two hubs and one spider, or two hubs, one split spider, and one retaining ring (all components sold separately). Split spiders are easier to install and replace than standard spiders because there’s no need for tools or removing your hubs. Twist-lock them in place using a retaining ring.
    Buna-N—Buna-N spiders provide good vibration damping and chemical resistance.
    Hytrel—Hytrel spiders provide fair vibration damping and excellent chemical resistance.
    Hubs
    Buna-N Spiders
    Hytrel Spiders
    Misalignment Capability
    Misalignment Capability
    Overall
    Lg., mm
    OD,
    mm
    For Shaft
    Type
    For Rotary Motion
    For Shaft
    Dia., mm
    Each
    Max. Rotation
    Speed, rpm
    Max. Torque,
    in·lbf
    Parallel
    Angular
    Temp. Range,
    ° F
    Spider
    Material
    Each
    Max. Rotation
    Speed, rpm
    Max. Torque,
    in·lbf
    Parallel
    Angular
    Temp. Range,
    ° F
    Spider
    Material
    Each
     
    Steel Hubs
    5135KeyedForward/Reverse, Start/Stop176133N11700000014,000430.015"-40 to 212Buna-N
    6408K73000003,6001100.015"0.5°-55 to 245Hytrel6408K93000000
    6454KeyedForward/Reverse, Start/Stop176133N16000009,0001400.015"-40 to 212Buna-N
    6408K75000003,6004000.015"0.5°-55 to 245Hytrel6408K9500000
     

    Servomotor Precision Flexible Shaft Couplings

    Image of Product. Front orientation. Flexible Shaft Couplings. Servomotor Precision Flexible Shaft Couplings.
    Able to handle high twisting forces as well as misalignment, these couplings are good for high-performance servomotor applications. Couplings are aluminum and stainless steel for corrosion resistance and allow zero backlash (no play). They grip evenly around your shaft for a strong hold without marring the shaft. Tighten the clamping screws to secure.
    Misalignment
    Capability
    For Shaft
    Diameter
    Overall
    Lg.
    OD
    Max. Rotation
    Speed, rpm
    Max. Torque,
    in·lbf
    Parallel
    Angular
    Axial
    For Rotary Motion
    Each
     
    2017 Aluminum and 304 Stainless Steel
    3/8" × 17 mm2 23/64"2 7/32"10,0002200.011"0.031"Forward/Reverse, Start/Stop2764K6210000000
    1/2" × 17 mm2 23/64"2 7/32"10,0002200.011"0.031"Forward/Reverse, Start/Stop2764K632000000
    5/8" × 17 mm2 23/64"2 7/32"10,0002200.011"0.031"Forward/Reverse, Start/Stop2764K643000000
    3/4" × 17 mm2 23/64"2 7/32"10,0002200.011"0.031"Forward/Reverse, Start/Stop2764K654000000
    1" × 17 mm2 23/64"2 7/32"10,0002200.011"0.031"Forward/Reverse, Start/Stop2764K664000000
    16 mm × 17 mm2 23/64"2 7/32"10,0002200.011"0.031"Forward/Reverse, Start/Stop2764K673000000
    17 mm × 17 mm2 23/64"2 7/32"10,0002200.011"0.031"Forward/Reverse, Start/Stop2764K681000000
    17 mm × 18 mm2 23/64"2 7/32"10,0002200.011"0.031"Forward/Reverse, Start/Stop2764K682000000
    17 mm × 19 mm2 23/64"2 7/32"10,0002200.011"0.031"Forward/Reverse, Start/Stop2764K683000000
    17 mm × 20 mm2 23/64"2 7/32"10,0002200.011"0.031"Forward/Reverse, Start/Stop2764K684000000
    17 mm × 22 mm2 23/64"2 7/32"10,0002200.011"0.031"Forward/Reverse, Start/Stop2764K685000000
    17 mm × 24 mm2 23/64"2 7/32"10,0002200.011"0.031"Forward/Reverse, Start/Stop2764K686000000
    17 mm × 25 mm2 23/64"2 7/32"10,0002200.011"0.031"Forward/Reverse, Start/Stop2764K687000000
     

    High-Speed Servomotor Precision Flexible Shaft Couplings

    Image of Product. Front orientation. Flexible Shaft Couplings. High-Speed Servomotor Precision Flexible Shaft Couplings.
    Connect shafts and ball screws to high-speed servomotors and stepper motors—these shaft couplings handle four times more speed than standard servomotor couplings. They’re often found on high-torque motors that frequently start and stop, such as those used with packaging machines, press brakes, and semiconductor manufacturing equipment.
    With aluminum hubs joined by a flexible fluoroelastomer or Buna-N core, these shaft couplings dampen vibration and adjust for misalignment. When machines accelerate and decelerate quickly, these couplings remain stiff to maintain accuracy and repeatability, which prevents equipment from moving out of place. They also resist backlash, meaning all of the turning force from the motor is passed on to the connected shaft. The core resists water, petroleum-based chemicals, and inorganic acids while also insulating bearings, encoders, and other shaft components from stray electric current. Clamping screws provide hold without marring shafts; they’re useful in applications where shafts are frequently assembled and disassembled.
    Misalignment
    Capability
    For Shaft
    Diameter
    Overall
    Lg.
    OD
    Max. Rotation
    Speed, rpm
    Max. Torque,
    in·lbf
    Parallel
    Angular
    Axial
    For Rotary Motion
    Each
    2017 Aluminum with Fluoroelastomer Center
    17 mm × 17 mm1 57/64"1 17/32"15,0001190.008"1.5°0.012"Forward/Reverse, Start/Stop6853N1450000000
     

    Shaft Collars with Lever

    Image of Product. Front orientation. Shaft Collars. Shaft Collars with Lever.
    Ideal for frequent setup changes in tight spaces, these collars tighten with a lever instead of a screwdriver. Slide them from one end of your shaft and turn the lever like a ratchet to secure. To reposition or remove collars later, use the lever to loosen the screw and release the hold.
    Black-Oxide Carbon Steel—Dark and matted for a finished look, but with minimal corrosion resistance. Best for dry environments.
    303 Stainless Steel—Withstand moisture and mild cleaning solutions, such as acetone and ammonia. These are easier to machine than other stainless steel collars.
    Black Anodized Aluminum—One-third the weight of steel and more corrosion resistant than unfinished aluminum.
    Lever,
    mm
    Clamping
    Screw
    For Shaft
    Dia., mm
    OD,
    mm
    Wd.,
    mm
    Ht.
    Lg.
    Type
    No.
    Included
    Each
    Black-Oxide Carbon Steel
    1736133530Socket Head13466N29000000
     
    303 Stainless Steel
    1736133530Socket Head13466N6500000
     
    Black Anodized Aluminum
    1736133530Socket Head13466N10100000
     

    Two-Piece Shaft Collars with Lever

    Image of Product. Front orientation. Shaft Collars. Two-Piece Shaft Collars with Lever.
    Skip the screwdriver—tighten these collars by turning the lever like a ratchet instead. They're ideal for packing, printing, label-feeding, and other equipment requiring frequent setup changes in tight spaces. Attach them anywhere along your shaft, which helps when other components are already installed or you can't access the ends. To reposition or remove collars later, use the lever to loosen the screw and release the hold.
    Black-Oxide Carbon Steel—Dark and matted for a finished look, but with minimal corrosion resistance. Best for dry environments.
    303 Stainless Steel—Withstand moisture and mild cleaning solutions, such as acetone and ammonia. These are easier to machine than other stainless steel collars.
    Black Anodized Aluminum—One-third the weight of steel and more corrosion resistant than unfinished aluminum.
    Lever,
    mm
    Clamping
    Screw
    For Shaft
    Dia., mm
    OD,
    mm
    Wd.,
    mm
    Ht.
    Lg.
    Type
    No.
    Included
    Each
    Black-Oxide Carbon Steel
    1736133530Socket Head23553N137000000
     
    303 Stainless Steel
    1736133530Socket Head23553N23700000
     
    Black Anodized Aluminum
    1736133530Socket Head23553N33700000
     

    Clamping Vibration-Damping Precision Flexible Shaft Couplings

    Image of System. Front orientation. Contains Annotated. Flexible Shaft Couplings. Clamping Vibration-Damping Precision Flexible Shaft Couplings.
    Image of System. (Each Component Sold Separately). Front orientation. Exploded view. Contains Annotated, MultipleImages. Flexible Shaft Couplings. Clamping Vibration-Damping Precision Flexible Shaft Couplings.

    (Each Component Sold

    Separately)

    Designed to grip evenly around your shaft, these couplings provide more holding power than set screw couplings without marring the shaft. Tighten the clamping screws to secure. Good for precision motor and pump applications, the spider-shaped cushion reduces shock and compensates for minor shaft misalignment. Couplings allow zero backlash (no play).
    A complete coupling consists of two hubs and one spider (each component sold separately). Hubs are lightweight, corrosion-resistant aluminum. Spiders are polyurethane for fair vibration damping and good chemical resistance.
    Hubs
    Durometer 98A Polyurethane Spiders
    Durometer 92A Polyurethane Spiders
    Misalignment Capability
    Misalignment Capability
    Overall
    Lg., mm
    OD,
    mm
    For Shaft
    Type
    For Rotary Motion
    For Shaft
    Dia., mm
    Each
    Max. Rotation
    Speed, rpm
    Max. Torque,
    in·lbf
    Parallel
    Angular
    Temp. Range,
    ° F
    Each
    Max. Rotation
    Speed, rpm
    Max. Torque,
    in·lbf
    Parallel
    Angular
    Temp. Range,
    ° F
    Each
     
    2024 Aluminum Hubs
    5341.3KeyedForward/Reverse, Start/Stop179845T590000008,0003300.004"0.8°0 to 1809845T210000008,0001900.006"0.9°0 to 1809845T22000000
    5341.3RoundForward/Reverse, Start/Stop179845T54000008,0003300.004"0.8°0 to 1809845T21000008,0001900.006"0.9°0 to 1809845T2200000
    6150.8KeyedForward/Reverse, Start/Stop179845T610000008,0005500.005"0.8°0 to 1809845T24000008,0004400.006"0.9°0 to 1809845T2500000
     
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