System of Measurement System of Measurement |
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For Shaft Diameter For Shaft Diameter |
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Mounted Bearing Type Mounted Bearing Type |
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 | Base Mount |
 | Two-Bolt Flange Mount |
 | Four-Bolt Flange Mount |
Shaft Mount Type Shaft Mount Type |
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ID ID | Show |
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ID ID | Hide |
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Housing Material Housing Material |
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For Load Direction For Load Direction |
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 | Radial |
Overall Width Overall Width |
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Dynamic Radial Load Capacity Dynamic Radial Load Capacity |
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Lubrication Lubrication |
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Alignment Style Alignment Style |
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Lubricant Lubricant |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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About Ball and Roller Bearings
More
Set Screw Collar Ball Bearings
Slip these bearings onto a shaft and secure with the included set screws, no special tools required. All have an extended inner ring for additional shaft support.
Bearings with a black-oxide steel ring have some corrosion resistance.
Sealed bearings block out dust and other contaminants better than shielded bearings.
Bearings with a retaining ring have a removable retaining ring that holds the bearing inside a housing.
For technical drawings and 3-D models, click on a part number.
Inner Ring | Retaining Ring | Radial Load Cap., lbs. | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bearing Trade Number  | For Shaft Dia. | For Housing ID | Wd. | OD | Wd. | OD | Thick. | Dynamic | Static | Max. Speed, rpm | Temp. Range, °F | ABEC Rating | Each | |
Sealed (Lubricated) | ||||||||||||||
Black-Oxide Steel—With Retaining Ring | ||||||||||||||
| ER31 | 1 15/16" | 3.5433" | 1 1/8" | 2.477" | 2.031" | 3.781" | 0.093" | 7,900 | 5,250 | 5,000 | -20° to 250° | Not Rated | 0000000 | 0000000 |
Mounted Ball Bearings
Bearings are self-aligning to compensate for shaft misalignment. Seals block out dust and contaminants.
Bearings with eccentric lock have a collar that you twist in one direction to grip and the other to release. Compared to bearings with a set screw, they’re easier to install, require less adjustment over time, and are better for high-speed applications. But, they only work on shafts that spin in one direction.
For technical drawings and 3-D models, click on a part number.
Overall | Mounting | Radial Load Cap., lbs. | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Shaft Dia. | Center Ht. | Ht. | Lg. | Wd. | Hole Lg. | Hole Wd. | Hole Ctr.-to-Ctr. | Dynamic | Static | Max. Speed, rpm | Temp. Range, °F | Alignment Style | Lubrication | Each | |
Sealed Steel Bearings with Cast Iron Housing | |||||||||||||||
Shaft Mount Type: Eccentric Lock | |||||||||||||||
| 1 15/16" | 2 3/16" | 4 1/2" | 8 1/8" | 2 3/8" | 7/8" | 25/32" | 6 1/4" | 7,850 | 5,200 | 4,000 | -20° to 210° | Self Aligning | Lubricated | 0000000 | 0000000 |
Compact-Base Mounted Ball Bearings
Also known as tapped-base bearings, these ball bearings mount to surfaces from the bottom through threaded holes. Because of their narrow profile, they’re commonly used in tight-clearance spaces, including systems where multiple shafts are mounted close together.
Set screw shaft-mount bearings secure to shafts when you tighten the set screw, with no need for an additional collar. Set screws cause some amount of marring on shafts.
Concentric lock shaft-mount bearings have a locking collar that centers and secures the shaft in the bearing bore. To install these bearings, tighten the single screw on the locking collar around its inner ring on your shaft. Their firm grip on shafts reduces vibration for quieter operation.
For technical drawings and 3-D models, click on a part number.
Overall | Mounting Hole | Radial Load Cap., lbs. | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Shaft Dia. | Center Ht. | Ht. | Lg. | Wd. | Thread Size | Dp. | Ctr.-to-Ctr. | Dynamic | Static | Max. Speed, rpm | Temp. Range, °F | Alignment Style | Lubrication | Each | |
Sealed Steel Bearings with Cast Iron Housing | |||||||||||||||
Shaft Mount Type: Set Screw | |||||||||||||||
| 1 15/16" | 2 1/4" | 4 5/8" | 5 1/2" | 2" | 5/8"-11 | 0.875" | 4" | 7,880 | 5,210 | 3,550 | -20° to 220° | Self Aligning | Lubricated | 00000000 | 0000000 |
Shaft Mount Type: Concentric Lock | |||||||||||||||
| 1 15/16" | 2 1/4" | 4 5/8" | 5 1/2" | 2" | 5/8"-11 | 0.875" | 4" | 7,880 | 5,210 | 5,000 | -20° to 220° | Self Aligning | Lubricated | 00000000 | 000000 |
High-Speed Mounted Ball Bearings
These bearings have the highest speed ratings of any mounted ball bearing that we offer. The clamp-on collar creates a 360° grip around the shaft for a strong, mar-free hold. Bearings are self-aligning to compensate for shaft misalignment.
Bearings with torque indicator tell you when the shaft is centered, ensuring smooth rotation in applications with high vibration.
Shielded bearings dissipate heat more efficiently than sealed bearings.
For technical drawings and 3-D models, click on a part number.
Overall | Mounting | Radial Load Cap., lbs. | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Shaft Dia. | Center Ht. | Ht. | Lg. | Wd. | Hole Lg. | Hole Wd. | Hole Ctr.-to-Ctr. | Dynamic | Static | Max. Speed, rpm | Temp. Range, °F | Alignment Style | Lubrication | Each | |
Shielded Steel Bearings with Cast Iron Housing—Shaft Mount Type: Clamp On | |||||||||||||||
With Torque Indicator | |||||||||||||||
| 1 15/16" | 2 1/4" | 4 9/16" | 8 1/8" | 2 3/16" | 7/8" | 25/32" | 6 1/4" | 7,900 | 5,200 | 4,000 | -20° to 210° | Self Aligning | Lubricated | 0000000 | 0000000 |
Washdown Mounted Ball Bearings
Meeting IP69K for washdown environments, these mounted ball bearings are used in food, beverage, pharmaceutical, and chemical plants. All have NSF registered H1 lubrication, which is certified for incidental contact with food and is suitable for food and beverage applications.
316 stainless steel bearings resist corrosion and prevent rusting caused by salt water, chlorine solutions, and chemicals. Snap optional covers onto bearings to shield them from moisture. Made of polypropylene, they resist corrosion, won’t absorb water, and are FDA compliant.
Set screw bearings secure to shafts as you tighten their screw. They don’t need a collar, but the screw does leave some marring on shafts.
Clamp on bearings have a locking collar to center shafts and secure them better than set screw bearings, so there’s less vibration and noise. To install them, tighten the locking collar’s screw until it grips the inner ring.
For technical drawings and 3-D models, click on a part number.
Overall | Mounting | Radial Load Cap., lbs. | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Shaft Dia. | Center Ht. | Ht. | Lg. | Wd. | Hole Dp. | Hole Ctr.-to-Ctr. | Dynamic | Static | Max. Speed, rpm | Temp. Range, °F | Lubrication | Specifications Met | Each | |
Self Aligning | ||||||||||||||
Shaft Mount Type: Set Screw | ||||||||||||||
| 1 15/16" | 2 1/4" | 4 9/16" | 8 1/8" | 4 5/32" | 0.75" | 6 1/4" | 7,850 | 5,200 | 1,500 | -20° to 220° | Lubricated | NSF Registered H1 | 0000000 | 0000000 |
Shaft Mount Type: Clamp On | ||||||||||||||
| 1 15/16" | 2 1/4" | 4 9/16" | 8 1/8" | 4 5/32" | 0.75" | 6 1/4" | 7,850 | 5,200 | 1,500 | -20° to 220° | Lubricated | NSF Registered H1 | 0000000 | 000000 |
Corrosion-Resistant Dry-Running Mounted Sleeve Bearings
Use these UHMW bearings in wet, corrosive environments.
Bearings with UHMW housing are made of a single UHMW polyethylene block. They have good vibration-damping qualities.
For technical drawings and 3-D models, click on a part number.
Overall | Mounting | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Shaft Dia. | Center Ht. | Ht. | Lg. | Wd. | Bearing Wd. | Hole Lg. | Hole Wd. | Hole Ctr.-to-Ctr. | Dynamic Radial Load Cap. | Temp. Range, °F | Alignment Style | Each | |
UHMW Plastic Bearings with UHMW Plastic Housing | |||||||||||||
| 1 15/16" | 2 1/4" | 4 1/2" | 8" | 2" | 2" | 1 3/16" | 11/16" | 6 1/4" | 500 lbs. @ 30 rpm | -200° to 180° | Fixed Alignment | 0000000 | 000000 |
Mounted Ball Bearings with Two-Bolt Flange
Bearings are self-aligning to compensate for shaft misalignment. Seals block out dust and contaminants.
Bearings with a set-screw shaft mount secure to shafts with no need for an additional collar. They can be used for bi-directional shaft rotation when applications require reversing action. The set screw may cause some marring on the shaft.
For technical drawings and 3-D models, click on a part number.
Overall | Mounting | Radial Load Cap., lbs. | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Shaft Dia. | Ht. | Lg. | Wd. | Flange Thick. | Hole Dia. | Hole Ctr.-to-Ctr. | Dynamic | Static | Max. Speed, rpm | Temp. Range, °F | Alignment Style | Lubrication | Each | |
Sealed Steel Bearings with Cast Iron Housing | ||||||||||||||
Shaft Mount Type: Set Screw | ||||||||||||||
| 1 15/16" | 4 9/16" | 7 7/16" | 2 15/32" | 9/16" | 9/16" | 6 3/16" | 7,850 | 5,200 | 4,000 | -20° to 210° | Self Aligning | Lubricated | 0000000 | 0000000 |
High-Speed Mounted Ball Bearings with Two-Bolt Flange
These bearings have the highest speed ratings of any mounted ball bearing that we offer. The clamp-on collar creates a 360° grip around the shaft for a strong, mar-free hold. Bearings are self-aligning to compensate for shaft misalignment. Seals block out dust and contaminants.
For technical drawings and 3-D models, click on a part number.
Overall | Mounting | Radial Load Cap., lbs. | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Shaft Dia. | Ht. | Lg. | Wd. | Flange Thick. | Hole Dia. | Hole Ctr.-to-Ctr. | Dynamic | Static | Max. Speed, rpm | Temp. Range, °F | Alignment Style | Lubrication | Each | |
Sealed Steel Bearings with Cast Iron Housing | ||||||||||||||
Shaft Mount Type: Clamp On | ||||||||||||||
| 1 15/16" | 4 9/16" | 7 7/16" | 2 7/32" | 9/16" | 19/32" | 6 3/16" | 7,850 | 5,200 | 5,000 | -40° to 200° | Self Aligning | Lubricated | 0000000 | 0000000 |
Mounted Ball Bearings with Four-Bolt Flange
Bearings are self-aligning to compensate for shaft misalignment. Seals block out dust and contaminants.
Set screw bearings secure to shafts as you tighten their screw. They don’t need a collar, but the screw leaves some marring on shafts. Use them in applications where shafts rotate in both directions.
For technical drawings and 3-D models, click on a part number.
Overall | Mounting | Radial Load Cap., lbs. | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Shaft Dia. | Ht. | Lg. | Wd. | Flange Thick. | Hole Dia. | Hole Ctr.-to-Ctr. | Dynamic | Static | Max. Speed, rpm | Temp. Range, °F | Alignment Style | Lubrication | Each | |
Sealed Steel Bearings with Cast Iron Housing | ||||||||||||||
Shaft Mount Type: Set Screw | ||||||||||||||
| 1 15/16" | 5 5/8" | 5 5/8" | 2 27/64" | 5/8" | 9/16" | 4 3/8" | 7,850 | 5,200 | 4,000 | -20° to 210° | Self Aligning | Lubricated | 0000000 | 0000000 |
High-Speed Mounted Ball Bearings with Four-Bolt Flange
These bearings have the highest speed ratings of any mounted ball bearing that we offer. The clamp-on collar creates a 360° grip around the shaft for a strong, mar-free hold. Bearings are self-aligning to compensate for shaft misalignment. Seals block out dust and contaminants.
For technical drawings and 3-D models, click on a part number.
Overall | Mounting | Radial Load Cap., lbs. | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Shaft Dia. | Ht. | Lg. | Wd. | Flange Thick. | Hole Dia. | Hole Ctr.-to-Ctr. | Dynamic | Static | Max. Speed, rpm | Temp. Range, °F | Alignment Style | Lubrication | Each | |
Sealed Steel Bearings with Cast Iron Housing | ||||||||||||||
Shaft Mount Type: Clamp On | ||||||||||||||
| 1 15/16" | 5 5/8" | 5 5/8" | 2 7/32" | 9/16" | 19/32" | 4 3/8" | 7,850 | 5,200 | 5,000 | -40° to 200° | Self Aligning | Lubricated | 0000000 | 0000000 |
Insert Bearings
Swap out worn inserts instead of replacing the entire mounted unit. Use the manufacturer model number on your existing mounted bearing to choose a compatible insert. Inserts must be used with the manufacturer model number specified.
Bearings with eccentric lock have a collar that grips in one direction and releases in the other. They are easier to install onto shafts than bearings with a set screw grip and require less adjustment over time. Use with shafts that spin in one direction only.
For technical drawings and 3-D models, click on a part number.
| For Shaft Dia. | For Mounted Bearing Model No. | Each | |
SKF Steel Insert Bearings | |||
|---|---|---|---|
Shaft Mount Type: Set Screw | |||
| 1 15/16" | F2B 115-TF, F4B 115-TF, FYT 1.15/16 RM | 0000000 | 000000 |
Shaft Mount Type: Eccentric Lock | |||
| 1 15/16" | P2BL 115-WF, SYH 1.15/16 WF | 00000000 | 00000 |
Sealmaster Steel Insert Bearings | |||
Shaft Mount Type: Set Screw | |||
| 1 15/16" | FB-31, NP-31, NPG-31-12, NPG-31-18, NPL-32, SC-31, SCHB-31, SEHB-31, SF-31, SFC-31, SFT-31, SP-31, ST-31, STH-31-12, STH-31-18, TB-31 | 00000000 | 000000 |
Flush-Mount Screw-Clamp Bushings
Insert these bushings into the bore of your sprocket for flush or recessed mounting. They handle shock loads and have higher torque ratings than self-centering bushings. When you tighten the included clamping screws, the bushing's inner sleeve contracts onto the shaft and the outer sleeve expands to hold your sprocket, pulley, or gear. They can be mounted on shafts with or without keyways.
For technical drawings and 3-D models, click on a part number.
| For Shaft Dia. | OD | Overall Wd. | Max. Torque, in.-lbs. | Fastener Tightening Torque, in.-lbs. | Material | Includes | Each | |
| 1 15/16" | 3 3/16" | 1 17/64" | 15,400 | 360 | Steel | Clamping Screws | 0000000 | 000000 |
Quick-Disconnect (QD) Bushings
The screw connections on these bushings easily mate to compatible quick-disconnect sprockets and pulleys. Bushings fit quick-disconnect (QD) sprockets and pulleys of the same bushing style. As you tighten the included screws, the bushing grips the shaft and pulls it into the sprocket or pulley.
For technical drawings and 3-D models, click on a part number.
Keyway | ||||||||
|---|---|---|---|---|---|---|---|---|
| For Shaft Dia. | Overall Wd. | Wd. | Dp. | Fastener Tightening Torque, in.-lbs. | Material | Includes | Each | |
Clamp On | ||||||||
SD Style Bushing | ||||||||
| 1 15/16" | 2 3/32" | 1/2" | 1/16" | 108 | Cast Iron | Clamping Screws, Machine Key | 00000000 | 000000 |
SDS Style Bushing | ||||||||
| 1 15/16" | 1 21/32" | 1/2" | 1/16" | 108 | Cast Iron | Clamping Screws, Machine Key | 00000000 | 00000 |
SF Style Bushing | ||||||||
| 1 15/16" | 2 1/2" | 1/2" | 1/4" | 360 | Steel | Clamping Screws | 00000000 | 00000 |
SK Style Bushing | ||||||||
| 1 15/16" | 2 9/32" | 1/2" | 1/4" | 180 | Steel | Clamping Screws | 00000000 | 00000 |
Taper-Lock Bushings
Mount these hubless bushings flush into your sprocket or pulley for a slim profile with no protruding screws. They are for use with taper-lock sprockets of the same bushing style. As you tighten the included set screws, the bushing grips the shaft and pulls it into your sprocket or pulley.
For technical drawings and 3-D models, click on a part number.
Keyway | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| For Shaft Dia. | Overall Wd. | Wd. | Dp. | Taper | Fastener Tightening Torque, in.-lbs. | Material | Includes | Each | |
2012 Style Bushing | |||||||||
| 1 15/16" | 1 1/4" | 1/2" | 3/16" | 8° | 280 | Steel | Machine Key, Set Screws | 000000000 | 000000 |
2517 Style Bushing | |||||||||
| 1 15/16" | 1 3/4" | 1/2" | 1/4" | 8° | 430 | Steel | Set Screws | 000000000 | 00000 |
3020 Style Bushing | |||||||||
| 1 15/16" | 2" | 1/2" | 1/4" | 8° | 800 | Steel | Set Screws | 000000000 | 00000 |