About Ball and Roller Bearings
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About Durometer
Durometer is the international standard for measuring the hardness of rubber, plastic, and most nonmetallic materials.
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Stainless Steel Ball Bearings
Bearings are 440C stainless steel for good corrosion resistance.
Open bearings dissipate heat more efficiently than shielded and sealed bearings.
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. | ||||||||||||
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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 | |
6006 | 30mm | 55mm | 13mm | 440C Stainless Steel | 2,500 | 1,450 | 15,000 | Lubricated | -40° to 240° | ABEC-1 | 00000000 | 000000 |
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 | |
6006-2Z | 30mm | 55mm | 13mm | 440C Stainless Steel | 2,500 | 1,450 | 13,000 | Lubricated | -40° to 240° | ABEC-1 | 00000000 | 000000 |
Food Industry Permanently Lubricated Stainless Steel Ball Bearings
Good for applications with incidental food contact, these 440C stainless steel bearings have a food-grade, solid polymer lubricant between the balls and ring that eliminates 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 | Specifications Met | Each | |
Sealed | |||||||||||||
6006-2RS | 30 | 55 | 13 | 440C Stainless Steel | 2,500 | 1,450 | 7,000 | Lubricated | -40° to 200° | ABEC-1 | FDA Compliant 21 CFR 178.3570 | 00000000 | 000000 |
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 | |||||||||||
7/8" | 1 1/8" | 1/2" | Steel | 2,500 | 3,550 | 11,400 | Required | 8 | -40° to 280° | 00000000 | 00000 |
Sealed—One Side | |||||||||||
7/8" | 1 1/8" | 9/16" | Steel | 2,500 | 3,550 | 6,800 | Lubricated | 8 | -20° to 210° | 00000000 | 00000 |
One-Way Locking Needle-Roller Bearing Clutches
The needles in these bearings roll freely in one direction, but lock to transmit torque when the rotation of the shaft is reversed. Also known as drawn-cup roller clutches. An arrow on the lip indicates the rotational direction that locks the bearings.
Triple-row bearings support radial loads.
Bearings with 301 stainless steel springs handle higher temperatures than bearings with acetal springs.
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 | Max. Torque, ft.-lbs. | Lubrication | For Shaft Surface Smoothness (Ra), microinch | Temp. Range, °F | Each | |
Triple Row | ||||||||||||
301 Stainless Steel Springs | ||||||||||||
25mm | 32mm | 30mm | Steel | 2,500 | 2,900 | 8,700 | 50 | Required | 16 | -20° to 250° | 0000000 | 000000 |
Abrasion-Resistant Keyed Drive Rollers
These urethane rollers are wear and chemical resistant. They’re also nonmarring. Use them with a keyed shaft to prevent slippage in high-torque applications. Also known as contact wheels and feed rollers, drive rollers spin in unison with a shaft or stud to transmit power.
Roller | Keyway | Set Screws | |||||||||||
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Dia. | Wd. | For Shaft Dia. | Wd. | Dp. | Overall Wd. | Dynamic Radial Load Capacity, lbs. | Shaft Mount Type | No. Required | Included | Temperature Range, °F | Durometer (Hardness Rating) | Each | |
Urethane Roller with Steel Hub | |||||||||||||
10" | 4" | 1 1/2" | 3/8" | 3/16" | 4 1/4" | 2,500 | Keyway, Set Screw | 2 | Yes | -20° to 120° | 85A (Hard) Red | 0000000 | 0000000 |
10" | 5" | 1 1/2" | 3/8" | 3/16" | 5 1/4" | 2,500 | Keyway, Set Screw | 2 | Yes | -20° to 120° | 85A (Hard) Red | 00000000 | 000000 |