Ball Bearing Type Ball Bearing Type |
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 | Standard |
For Load Direction For Load Direction |
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 | Radial |
Ring Material Ring Material |
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For Shaft Type For Shaft Type |
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 | Round |
Inner Ring Type Inner Ring Type |
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| Standard |
Lubrication Lubrication |
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Maximum Speed Maximum Speed |
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Dynamic Radial Load Capacity Dynamic RadialLoad Capacity | Show |
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Dynamic Radial Load Capacity Dynamic RadialLoad Capacity | Hide |
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Lubricant Lubricant |
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Cage Material Cage Material |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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ABEC Rating ABEC Rating |
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Maximum Temperature Maximum Temperature |
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Maximum Radial Clearance Maximum Radial Clearance |
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About Ball and Roller Bearings
More
Permanently Lubricated Ball Bearings
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. | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bearing Trade Number | For Shaft Dia. | For Housing ID | Wd. | Ring Material | Dynamic | Static | Max. Speed, rpm | Lubrication | Temp. Range, °F | ABEC Rating | Each | |
Open | ||||||||||||
| 608 | 8mm | 22mm | 7mm | Steel | 570 | 300 | 20,000 | Lubricated | 10° to 200° | ABEC-1 | 00000000 | 000000 |
Sealed | ||||||||||||
| 608-2RS | 8mm | 22mm | 7mm | Steel | 570 | 300 | 20,000 | Lubricated | 10° to 200° | ABEC-1 | 00000000 | 00000 |
| 627-2RS | 7mm | 22mm | 7mm | Steel | 570 | 300 | 20,500 | Lubricated | 10° to 200° | ABEC-1 | 00000000 | 00000 |
Permanently Lubricated Stainless Steel Ball Bearings
A solid polymer lubricant surrounds the balls, eliminating the need for additional lubrication. The solid 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. | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | |
Open | ||||||||||||
| 608H | 8 | 22 | 7 | 440C Stainless Steel | 570 | 300 | 20,000 | Lubricated | -10° to 200° | ABEC-1 | 00000000 | 000000 |
| 627H | 7 | 22 | 7 | 440C Stainless Steel | 570 | 300 | 20,000 | Lubricated | -10° to 200° | ABEC-1 | 00000000 | 00000 |
Sealed | ||||||||||||
| 608H-2RS | 8 | 22 | 7 | 440C Stainless Steel | 570 | 300 | 20,000 | Lubricated | -10° to 200° | ABEC-1 | 00000000 | 00000 |
| 627H-2RS | 7 | 22 | 7 | 440C Stainless Steel | 570 | 300 | 20,000 | Lubricated | -10° to 200° | ABEC-1 | 00000000 | 00000 |
Needle-Roller Bearings
Also known as drawn-cup roller bearings, these are our thinnest roller bearings. The outer ring is drawn out to form a lip that holds the bearing together. Bearings take on the shape of their housing and may be oblong prior to installation.
Open bearings dissipate heat more efficiently than sealed bearings.
Sealed bearings block out dust better than open bearings, but retain more heat.
For technical drawings and 3-D models, click on a part number.
Radial Load Cap., lbs. | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| For Shaft Dia. | For Housing ID | Wd. | Ring Material | Dynamic | Static | Max. Speed, rpm | Lubrication | For Shaft Surface Smoothness (Ra), microinch | Temp. Range, °F | Each | |
Open | |||||||||||
| 1/4" | 7/16" | 5/16" | Steel | 570 | 470 | 44,000 | Required | 8 | -40° to 280° | 0000000 | 00000 |
Sealed—Both Sides | |||||||||||
| 1/4" | 7/16" | 7/16" | Steel | 570 | 470 | 27,000 | Lubricated | 8 | -20° to 210° | 00000000 | 00000 |
Mounted Roller Bearings
Roller bearings have a thinner profile and larger contact area than ball bearings, making them stronger and more space-efficient than ball bearings.
Use needle-roller bearings with hardened and ground shafts.
Bearings with aluminum housing are more corrosion resistant than bearings with a cast iron housing.
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. | Center Ht. | Ht. | Lg. | Wd. | Hole Dia. | Hole Ctr.-to-Ctr. | Dynamic | Static | Max. Speed, rpm | Temp. Range, °F | Alignment Style | Lubrication | Each | |
Steel Bearings with Aluminum Housing—Shaft Mount Type: Press Fit | ||||||||||||||
| 1/4" | 9/16" | 1 1/8" | 2 1/4" | 7/16" | 9/32" | 1 3/4" | 570 | 470 | 21,000 | -20° to 210° | Self Aligning | Lubricated | 0000000 | 000000 |
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 | |||||||||||||
| 1/4" | 1 7/32" | 2 3/32" | 15/32" | 1/16" | 7/32" | 1 1/2" | 570 | 470 | 44,000 | -20° to 210° | Lubricated | 0000000 | 000000 |
Self Aligning Steel Bearings with Steel Housing—Shaft Mount Type: Press Fit | |||||||||||||
| 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 |