For Shaft Diameter For Shaft Diameter |
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Mounted Bearing Type Mounted Bearing Type |
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| Two-Bolt Flange Mount | Four-Bolt Flange Mount |
For Load Direction For Load Direction |
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 | Combined Radial and Thrust |
 | Radial |
Alignment Style Alignment Style |
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ID ID |
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Dynamic Radial Load Capacity Dynamic RadialLoad Capacity |
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Maximum Speed Maximum Speed |
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Mounting Hole Center-to-Center Mounting HoleCenter-to-Center |
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Overall Length Overall Length |
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Overall Height Overall Height |
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Overall Width Overall Width |
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Dynamic Thrust Load Capacity Dynamic ThrustLoad Capacity |
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Static Radial Load Capacity Static Radial Load Capacity |
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Lubrication Lubrication |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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About Ball and Roller Bearings
More
Mounted Roller Bearings with Four-Bolt Flange
The tapered rollers in these bearings support large shafts at high static loads. 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 | Dynamic Thrust Load Cap., lbs. | Max. Speed, rpm | Temp. Range, °F | Alignment Style | Lubrication | Each | |
Sealed Tapered-Roller Bearings | |||||||||||||||
Steel Bearings with Cast Iron Housing—Shaft Mount Type: Set Screw | |||||||||||||||
| 1 1/4" | 3 3/4" | 3 3/4" | 2 13/16" | 1" | 3/8" | 2 7/8" | 3,800 | 15,700 | 2,000 | 4,400 | -60° to 250° | Fixed Alignment | Lubricated | 0000000 | 0000000 |
| 1 1/2" | 5 3/8" | 5 3/8" | 3 1/2" | 1 3/16" | 1/2" | 4 1/8" | 7,850 | 33,000 | 2,550 | 3,300 | -60° to 250° | Fixed Alignment | Lubricated | 0000000 | 000000 |
| 1 3/4" | 5 5/8" | 5 5/8" | 3 5/8" | 1 3/16" | 1/2" | 4 3/8" | 10,300 | 43,000 | 2,550 | 3,000 | -60° to 250° | Fixed Alignment | Lubricated | 0000000 | 000000 |
| 2" | 5 5/8" | 5 5/8" | 3 5/8" | 1 3/16" | 1/2" | 4 3/8" | 10,300 | 43,000 | 2,550 | 3,000 | -60° to 250° | Fixed Alignment | Lubricated | 0000000 | 000000 |
| 2 1/2" | 6 7/8" | 6 7/8" | 4 3/16" | 1 1/2" | 5/8" | 5 3/8" | 11,600 | 54,000 | 3,450 | 2,400 | -60° to 250° | Fixed Alignment | Lubricated | 0000000 | 000000 |
| 3" | 7 3/4" | 7 3/4" | 4 11/16" | 1 5/8" | 3/4" | 6" | 12,300 | 61,000 | 5,150 | 2,000 | -60° to 250° | Fixed Alignment | Lubricated | 0000000 | 000000 |
| 3 1/2" | 9 1/4" | 9 1/4" | 5 1/4" | 1 7/8" | 3/4" | 7" | 19,600 | 108,000 | 5,150 | 1,600 | -60° to 250° | Fixed Alignment | Lubricated | 0000000 | 00000000 |
| 4" | 10 1/4" | 10 1/4" | 6 1/2" | 2 1/8" | 7/8" | 7 3/4" | 26,900 | 154,000 | 6,900 | 1,500 | -60° to 250° | Fixed Alignment | Lubricated | 0000000 | 00000000 |
| 35mm | 4 5/8" | 4 5/8" | 3 1/16" | 1 1/16" | 1/2" | 3 1/2" | 6,100 | 26,000 | 2,550 | 3,800 | -60° to 250° | Fixed Alignment | Lubricated | 0000000 | 000000 |
| 40mm | 5 3/8" | 5 3/8" | 3 1/2" | 1 3/16" | 1/2" | 4 1/8" | 7,800 | 33,000 | 2,550 | 3,300 | -60° to 250° | Fixed Alignment | Lubricated | 0000000 | 000000 |
| 45mm | 5 5/8" | 5 5/8" | 3 5/8" | 1 3/16" | 1/2" | 4 3/8" | 10,300 | 43,000 | 2,550 | 3,000 | -60° to 250° | Fixed Alignment | Lubricated | 0000000 | 000000 |
| 50mm | 5 5/8" | 5 5/8" | 3 5/8" | 1 3/16" | 1/2" | 4 3/8" | 10,300 | 43,000 | 2,550 | 3,000 | -60° to 250° | Fixed Alignment | Lubricated | 0000000 | 000000 |
| 60mm | 6 7/8" | 6 7/8" | 4 3/16" | 1 1/2" | 5/8" | 5 3/8" | 11,600 | 54,000 | 3,450 | 2,400 | -60° to 250° | Fixed Alignment | Lubricated | 0000000 | 000000 |
| 70mm | 7 3/4" | 7 3/4" | 4 11/16" | 1 5/8" | 3/4" | 6" | 12,300 | 61,000 | 5,150 | 2,000 | -60° to 250° | Fixed Alignment | Lubricated | 0000000 | 000000 |
| 80mm | 9 1/4" | 9 1/4" | 5 1/4" | 1 7/8" | 3/4" | 7" | 19,600 | 108,000 | 5,150 | 1,600 | -60° to 250° | Fixed Alignment | Lubricated | 0000000 | 00000000 |
| 90mm | 9 1/4" | 9 1/4" | 5 1/4" | 1 7/8" | 3/4" | 7" | 19,600 | 108,000 | 5,150 | 1,600 | -60° to 250° | Fixed Alignment | Lubricated | 0000000 | 00000000 |
| 100mm | 10 1/4" | 10 1/4" | 6 1/2" | 2 1/8" | 7/8" | 7 3/4" | 26,900 | 154,000 | 6,900 | 1,500 | -60° to 250° | Fixed Alignment | Lubricated | 0000000 | 00000000 |
Mounted Roller Bearings with Two-Bolt Flange
These roller bearings handle extremely high speeds for their small size. Use with hardened and ground shafts.
Self-aligning bearings compensate for shaft misalignment.
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 | Lubrication | Each | |
Open Needle-Roller Bearings | |||||||||||||
Fixed Alignment Steel Bearings with Steel Housing—Shaft Mount Type: Slip Fit | |||||||||||||
| 1/8" | 7/8" | 1 25/32" | 5/16" | 3/64" | 7/32" | 1 7/32" | 240 | 165 | 31,500 | -20° to 210° | Lubricated | 0000000 | 000000 |
| 3/16" | 7/8" | 1 25/32" | 1/2" | 3/64" | 7/32" | 1 7/32" | 620 | 530 | 21,000 | -20° to 210° | Lubricated | 0000000 | 00000 |
| 1/4" | 1 7/32" | 2 3/32" | 15/32" | 1/16" | 7/32" | 1 1/2" | 570 | 470 | 44,000 | -20° to 210° | Lubricated | 0000000 | 00000 |
| 5/16" | 1 7/32" | 2 3/32" | 15/32" | 1/16" | 7/32" | 1 1/2" | 650 | 590 | 35,500 | -20° to 210° | Lubricated | 0000000 | 00000 |
| 3/8" | 1 1/4" | 1 25/32" | 15/32" | 3/32" | 7/32" | 1 7/32" | 650 | 610 | 29,500 | -20° to 210° | Lubricated | 0000000 | 00000 |
| 1/2" | 1 9/32" | 2 1/8" | 1/2" | 3/32" | 7/32" | 1 17/32" | 1,000 | 1,200 | 22,000 | -20° to 210° | Lubricated | 0000000 | 00000 |
| 5/8" | 1 19/32" | 2 3/8" | 21/32" | 3/32" | 7/32" | 1 3/16" | 1,800 | 2,700 | 17,600 | -20° to 210° | Lubricated | 0000000 | 00000 |
| 3/4" | 1 7/8" | 2 11/32" | 21/32" | 3/32" | 7/32" | 1 25/32" | 2,200 | 2,800 | 14,700 | -20° to 210° | Lubricated | 0000000 | 00000 |
| 4mm | 22.2mm | 45.2mm | 10mm | 1.2mm | 5.6mm | 31mm | 400 | 290 | 41,000 | -20° to 210° | Lubricated | 0000000 | 00000 |
| 6mm | 30.2mm | 53.2mm | 10.8mm | 1.5mm | 5.6mm | 38.9mm | 450 | 370 | 35,000 | -20° to 210° | Lubricated | 0000000 | 00000 |
| 8mm | 30.2mm | 53.2mm | 11.1mm | 1.5mm | 5.6mm | 38.9mm | 620 | 590 | 28,000 | -20° to 210° | Lubricated | 0000000 | 00000 |
| 10mm | 31.8mm | 45.2mm | 12.7mm | 2.3mm | 5.6mm | 30.9mm | 990 | 1,150 | 23,000 | -20° to 210° | Lubricated | 0000000 | 00000 |
| 12mm | 31.8mm | 45.2mm | 12.7mm | 2.3mm | 5.6mm | 30.9mm | 1,100 | 1,350 | 20,000 | -20° to 210° | Lubricated | 0000000 | 00000 |
| 15mm | 40mm | 59.8mm | 12.7mm | 2.3mm | 5.6mm | 30mm | 1,750 | 2,100 | 16,000 | -20° to 210° | Lubricated | 0000000 | 00000 |
| 16mm | 47.1mm | 59.8mm | 16mm | 2.3mm | 5.6mm | 45.2mm | 1,700 | 2,150 | 15,000 | -20° to 210° | Lubricated | 0000000 | 00000 |
| 18mm | 47.1mm | 59.8mm | 16mm | 2.3mm | 5.6mm | 45.2mm | 1,800 | 2,450 | 13,000 | -20° to 210° | Lubricated | 0000000 | 00000 |
Self Aligning Steel Bearings with Steel Housing—Shaft Mount Type: Press Fit | |||||||||||||
| 1/8" | 7/8" | 1 25/32" | 13/32" | 3/64" | 7/32" | 1 7/32" | 240 | 160 | 28,800 | -20° to 210° | Lubricated | 0000000 | 00000 |
| 3/16" | 1 3/16" | 2 3/32" | 15/32" | 1/16" | 7/32" | 1 17/32" | 630 | 550 | 24,000 | -20° to 210° | Lubricated | 0000000 | 00000 |
| 1/4" | 1 3/16" | 2 3/32" | 15/32" | 1/16" | 7/32" | 1 17/32" | 570 | 470 | 21,000 | -20° to 210° | Lubricated | 0000000 | 00000 |
| 5/16" | 1 1/4" | 1 25/32" | 21/32" | 3/32" | 7/32" | 1 7/32" | 650 | 590 | 17,400 | -20° to 210° | Lubricated | 0000000 | 00000 |
| 3/8" | 1 1/4" | 1 25/32" | 21/32" | 3/32" | 7/32" | 1 7/32" | 650 | 610 | 15,000 | -20° to 210° | Lubricated | 0000000 | 00000 |
| 1/2" | 1 9/16" | 2 11/32" | 25/32" | 3/32" | 7/32" | 1 25/32" | 1,000 | 1,200 | 11,400 | -20° to 210° | Lubricated | 000000 | 00000 |
| 5/8" | 1 27/32" | 2 11/32" | 57/64" | 3/32" | 7/32" | 1 25/32" | 1,800 | 2,700 | 9,600 | -20° to 210° | Lubricated | 0000000 | 00000 |
| 3/4" | 2" | 3 1/4" | 29/32" | 3/32" | 9/32" | 2 1/2" | 2,200 | 2,800 | 7,800 | -20° to 210° | Lubricated | 0000000 | 00000 |
| 4mm | 30mm | 53mm | 11.6mm | 1.5mm | 5.5mm | 39mm | 400 | 290 | 25,500 | -20° to 210° | Lubricated | 0000000 | 00000 |
| 6mm | 30mm | 53mm | 11.6mm | 1.5mm | 5.5mm | 39mm | 450 | 370 | 21,900 | -20° to 210° | Lubricated | 0000000 | 00000 |
| 8mm | 31.8mm | 45mm | 16.8mm | 2.3mm | 5.5mm | 30.9mm | 610 | 580 | 17,700 | -20° to 210° | Lubricated | 0000000 | 00000 |
| 10mm | 31.8mm | 45mm | 16.8mm | 2.3mm | 5.5mm | 30.9mm | 980 | 1,100 | 14,580 | -20° to 210° | Lubricated | 0000000 | 00000 |
| 12mm | 39.6mm | 60mm | 19.8mm | 2.3mm | 5.5mm | 45.2mm | 1,100 | 1,350 | 12,420 | -20° to 210° | Lubricated | 0000000 | 00000 |
Combination Ball/Needle-Roller Bearings
A built-in thrust ball bearing reduces wear from adjacent shaft components, while the needle rollers support high radial loads. Install anywhere you would use separate bearings for radial and thrust loads.
For technical drawings and 3-D models, click on a part number.
Radial Load Cap., lbs. | Thrust Load Cap., lbs. | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Shaft Dia., mm | For Housing ID, mm | Wd., mm | Ball Bearing OD, mm | Ball Bearing Wd., mm | Ring Material | Dynamic | Static | Dynamic | Static | Max. Speed, rpm | Lubrication | For Shaft Surface Smoothness (Ra), microinch | Temp. Range, °F | Each | |
Open | |||||||||||||||
| 12 | 21 | 23 | 27 | 9 | Steel | 1,650 | 1,900 | 2,170 | 2,490 | 9,000 | Required | 8 | -20° to 230° | 00000000 | 000000 |
| 15 | 24 | 23 | 29 | 9 | Steel | 2,150 | 2,800 | 2,230 | 2,740 | 8,500 | Required | 8 | -20° to 230° | 00000000 | 00000 |
| 17 | 26 | 25 | 31 | 9 | Steel | 2,550 | 3,600 | 2,420 | 3,250 | 8,500 | Required | 8 | -20° to 230° | 00000000 | 00000 |
| 20 | 30 | 30 | 36 | 10 | Steel | 3,300 | 5,300 | 3,190 | 4,420 | 7,000 | Required | 8 | -20° to 230° | 00000000 | 00000 |
| 25 | 37 | 30 | 43 | 11 | Steel | 4,250 | 6,700 | 4,050 | 6,670 | 6,300 | Required | 8 | -20° to 230° | 00000000 | 00000 |
| 30 | 42 | 30 | 48 | 11 | Steel | 4,550 | 7,750 | 4,200 | 7,550 | 5,600 | Required | 8 | -20° to 230° | 00000000 | 000000 |
| 35 | 47 | 30 | 53 | 12 | Steel | 4,950 | 9,150 | 4,500 | 8,450 | 5,300 | Required | 8 | -20° to 230° | 00000000 | 000000 |
| 40 | 52 | 32 | 61 | 13 | Steel | 5,350 | 10,600 | 6,045 | 11,240 | 4,500 | Required | 8 | -20° to 230° | 00000000 | 000000 |
| 45 | 58 | 32 | 66.5 | 14 | Steel | 5,600 | 11,600 | 6,250 | 12,380 | 4,500 | Required | 8 | -20° to 230° | 00000000 | 000000 |
| 50 | 62 | 35 | 71.5 | 14 | Steel | 6,750 | 15,400 | 6,450 | 13,510 | 4,300 | Required | 8 | -20° to 230° | 00000000 | 000000 |