About Ball and Roller Bearings
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About Plain Bearings
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Ball Bearings
Shielded bearings block out dust and other contaminants, but do not dissipate heat as efficiently as open bearings.
Sealed bearings block out dust and other contaminants better than open and shielded bearings, but retain the most heat.
For technical drawings and 3-D models, click on a part number.
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Radial Load Cap., lbs. | |||||||||||||
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Bearing Trade Number | For Shaft Dia. | For Housing ID | Wd. | Ring Material | Dynamic | Static | Max. Speed, rpm | Lubrication | Temp. Range, °F | ABEC Rating | Specifications Met | Each | |
6015-2Z | 75mm | 115mm | 20mm | Steel | 9,400 | 7,500 | 6,900 | Lubricated | -20° to 230° | ABEC-1 | DIN 625-1 | 00000000 | 0000000 |
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Radial Load Cap., lbs. | |||||||||||||
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Bearing Trade Number | For Shaft Dia. | For Housing ID | Wd. | Ring Material | Dynamic | Static | Max. Speed, rpm | Lubrication | Temp. Range, °F | ABEC Rating | Specifications Met | Each | |
6015-2RS | 75mm | 115mm | 20mm | Steel | 9,400 | 7,500 | 3,000 | Lubricated | -20° to 230° | ABEC-1 | DIN 625-1 | 00000000 | 0000000 |
Permanently Lubricated Ball Bearings
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A solid polymer lubricant surrounds the balls, eliminating the need for additional lubrication. Because it's solid, the lubricant blocks out water and dust, extending the life of the bearing.
Sealed bearings have even better resistance to dust and contaminants than open bearings.
For technical drawings and 3-D models, click on a part number.
Radial Load Cap., lbs. | ||||||||||||
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Bearing Trade Number | For Shaft Dia. | For Housing ID | Wd. | Ring Material | Dynamic | Static | Max. Speed, rpm | Lubrication | Temp. Range, °F | ABEC Rating | Each | |
Sealed | ||||||||||||
6015-2RS | 75mm | 115mm | 20mm | Steel | 6,850 | 6,350 | 3,000 | Lubricated | 10° to 200° | ABEC-1 | 00000000 | 0000000 |
Precision Ball Bearings
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For greater accuracy and higher speeds, these bearings are made to tighter tolerances than standard ball bearings.
Shielded bearings dissipate heat more efficiently than sealed bearings.
Sealed bearings block out dust and other contaminants better than shielded bearings.
For technical drawings and 3-D models, click on a part number.
Radial Load Cap., lbs. | ||||||||||||
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Bearing Trade Number | For Shaft Dia., mm | For Housing ID, mm | Wd., mm | Ring Material | Dynamic | Static | Max. Speed, rpm | Lubrication | Temp. Range, °F | ABEC Rating | Each | |
Shielded | ||||||||||||
6015-2Z | 75 | 115 | 20 | Steel | 9,350 | 7,500 | 6,000 | Lubricated | -20° to 230° | ABEC-3 | 0000000 | 0000000 |
6215-2Z | 75 | 130 | 25 | Steel | 15,450 | 11,000 | 5,300 | Lubricated | -20° to 230° | ABEC-3 | 0000000 | 000000 |
6315-2Z | 75 | 160 | 37 | Steel | 26,700 | 17,150 | 4,500 | Lubricated | -20° to 230° | ABEC-3 | 0000000 | 000000 |
Sealed | ||||||||||||
6015-2RS | 75 | 115 | 20 | Steel | 9,350 | 7,500 | 3,600 | Lubricated | -30° to 210° | ABEC-3 | 0000000 | 000000 |
6215-2RS | 75 | 130 | 25 | Steel | 15,450 | 11,000 | 3,200 | Lubricated | -30° to 210° | ABEC-3 | 0000000 | 000000 |
6315-2RS | 75 | 160 | 37 | Steel | 26,700 | 17,150 | 2,800 | Lubricated | -30° to 210° | ABEC-3 | 0000000 | 000000 |
Stainless Steel Ball Bearings
Bearings are 440C stainless steel for good corrosion resistance.
Sealed bearings block out dust and other contaminants better than open and shielded bearings, but retain the most heat.
For technical drawings and 3-D models, click on a part number.
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Radial Load Cap., lbs. | ||||||||||||
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Bearing Trade Number | For Shaft Dia. | For Housing ID | Wd. | Ring Material | Dynamic | Static | Max. Speed, rpm | Lubrication | Temp. Range, °F | ABEC Rating | Each | |
6215-2RS | 75mm | 130mm | 25mm | 440C Stainless Steel | 14,900 | 11,100 | 4,800 | Lubricated | -20° to 210° | ABEC-1 | 00000000 | 0000000 |
Ultra-Thin Ball Bearings
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These bearings have twice as many contact points as angular-contact ball bearings. Fit onto large-diameter hollow shafts to run air and hydraulic lines, electrical wiring, and other components through moving parts in assemblies such as index and rotary tables, packaging equipment, and robotics.
Shielded bearings block out dust and other contaminants, but do not dissipate heat as efficiently as open bearings.
For technical drawings and 3-D models, click on a part number.
Radial Load Cap., lbs. | Thrust Load Cap., lbs. | Moment Load Cap., ft.-lbs. | ||||||||||||
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For Shaft Dia. | For Housing ID | Wd. | Dynamic | Static | Dynamic | Static | Dynamic | Static | Max. Speed, rpm | Lubrication | Temp. Range, °F | ABEC Rating | Each | |
Steel Ring | ||||||||||||||
Shielded | ||||||||||||||
75mm | 95mm | 10mm | 2,800 | 2,900 | Not Rated | Not Rated | Not Rated | Not Rated | 12,500 | Lubricated | -40° to 150° | ABEC-1 | 00000000 | 0000000 |
Thrust Ball Bearings
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Steel balls and washers allow these bearings to handle higher loads than bearings with stainless steel components. With an open design, they dissipate heat more efficiently than one-piece thrust ball bearings.
Bearings with steel cage and with bronze cage handle higher loads and speeds than bearings with a plastic cage.
For technical drawings and 3-D models, click on a part number.
Thrust Load Cap., lbs. | ||||||||||||
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For Shaft Dia. | OD | Thick. | Cage Material | Washer Material | Dynamic | Static | Max. Speed, rpm | Lubrication | Temp. Range, °F | Includes | Each | |
Open | ||||||||||||
75mm | 100mm | 19mm | Steel | Steel | 10,000 | 30,500 | 3,200 | Required | -40° to 250° | Two Washers | 00000000 | 0000000 |
Spherical-Roller Bearings
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Two rows of rollers give these bearings dynamic radial load capacities over five times higher than comparably sized tapered-roller bearings. Also known as rock crusher bearings, they handle heavy shock loads and are used for metal milling machinery, mining and oil field equipment, and in paper mills.
For technical drawings and 3-D models, click on a part number.
Combined Load Cap., lbs. | |||||||||||
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For Shaft Dia., mm | For Housing ID, mm | Wd., mm | Bearing Trade Number | Ring Material | Dynamic | Static | Max. Speed, rpm | Lubrication | Max. Temp. Range, °F | Each | |
Open | |||||||||||
75 | 130 | 31 | 22215 | Steel | 53,500 | 54,750 | 4,000 | Required | 390 | 0000000 | 0000000 |
Multipurpose Sleeve Bearings
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These 932 bearing bronze bearings are strong, wear resistant, and excellent at handling shock loads. They’re sometimes called 660 leaded bronze bearings.
Note: Dynamic load capacity is the maximum load a bearing can withstand at a given shaft speed. If your application’s load and speed requirements are below the values listed, the bearing will work.
For technical drawings and 3-D models, click on a part number.
For Housing ID | Lg. | Dynamic Radial Load Capacity | Lubrication | Temperature Range, °F | Each | |
Metric 932 Bearing Bronze Bearings | ||||||
---|---|---|---|---|---|---|
For 75mm Shaft Dia. | ||||||
90mm | 100mm | 37,550 lbs. @ 30 rpm | Required | -350° to 450° | 00000000 | 000000 |
Mounted Ball Bearings
Bearings are self-aligning to compensate for shaft misalignment. Seals block out dust and contaminants.
Bearings with a set screw secure to shafts without using a collar. They let shafts rotate in both directions, so they’re good for applications where you need to reverse. However, the set screw will leave some marring on the shaft.
For technical drawings and 3-D models, click on a part number.
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Overall | Mounting | Radial Load Cap., lbs. | |||||||||||||
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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: Set Screw | |||||||||||||||
75mm | 88.9mm | 187.3mm | 330.2mm | 89mm | 50.8mm | 22.2mm | 228.6mm | 14,800 | 11,200 | 2,400 | -20° to 220° | Self Aligning | Lubricated | 000000 | 0000000 |
Quick-Disconnect (QD) Bushings
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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 | ||||||||
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For Shaft Dia. | Overall Wd. | Wd. | Dp. | Fastener Tightening Torque, in.-lbs. | Material | Includes | Each | |
Clamp On | ||||||||
E Style Bushing | ||||||||
75mm | 67mm | 20mm | 4.9mm | 720 | Cast Iron | Clamping Screws | 0000000 | 0000000 |