System of Measurement System of Measurement |
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Ball Bearing Type Ball Bearing Type |
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 | Flanged |
ABEC Rating ABEC Rating |
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Ring Material Ring Material |
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Inner Ring Type Inner Ring Type |
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 | Standard |
Bearing Type Bearing Type |
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 | Ball |
Cage Material Cage Material |
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Ball Material Ball Material |
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Maximum Speed Maximum Speed |
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For Load Direction For Load Direction |
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 | Radial |
Shaft Mount Type Shaft Mount Type |
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Dynamic Radial Load Capacity Dynamic Radial Load Capacity |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Bearing Trade Number Bearing Trade Number |
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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
Precision Flanged Ball Bearings
Open
Shielded
When speed and accuracy matter most, opt for these bearings. They’re made to tighter tolerances than standard flanged ball bearings. All are 440C stainless steel for good corrosion resistance. The flange ensures proper positioning inside a tube or housing.
Open bearings dissipate heat more efficiently than shielded 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.
Flange | Radial Load Cap., lbs. | |||||||||||||
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| Bearing Trade Number | For Shaft Dia. | For Housing ID | Wd. | OD | Thick. | Ring Material | Dynamic | Static | Max. Speed, rpm | Lubrication | Temp. Range, °F | ABEC Rating | Each | |
Open | ||||||||||||||
| R0 | 0.047" | 5/32" | 1/16" | 0.203" | 0.01" | 440C Stainless Steel | 15 | 3 | 100,000 | Lubricated | -10° to 240° | ABEC-7 | 000000 | 000000 |
| R1 | 0.055" | 3/16" | 5/64" | 0.234" | 0.02" | 440C Stainless Steel | 30 | 5 | 100,000 | Lubricated | -10° to 240° | ABEC-7 | 000000 | 00000 |
| R1-4 | 5/64" | 1/4" | 3/32" | 0.296" | 0.02" | 440C Stainless Steel | 35 | 5 | 100,000 | Lubricated | -10° to 240° | ABEC-7 | 000000 | 00000 |
| R1-5 | 3/32" | 5/16" | 7/64" | 0.359" | 0.02" | 440C Stainless Steel | 75 | 15 | 74,000 | Lubricated | -10° to 240° | ABEC-7 | 000000 | 00000 |
| R2 | 1/8" | 3/8" | 5/32" | 0.44" | 0.03" | 440C Stainless Steel | 90 | 20 | 61,000 | Lubricated | -10° to 240° | ABEC-7 | 000000 | 00000 |
| R2-5 | 1/8" | 5/16" | 7/64" | 0.359" | 0.02" | 440C Stainless Steel | 75 | 15 | 74,000 | Lubricated | -10° to 240° | ABEC-7 | 000000 | 00000 |
| R3 | 3/16" | 1/2" | 0.196" | 0.565" | 0.04" | 440C Stainless Steel | 230 | 75 | 45,000 | Lubricated | -10° to 240° | ABEC-7 | 0000000 | 00000 |
| R4 | 1/4" | 5/8" | 0.196" | 0.69" | 0.04" | 440C Stainless Steel | 250 | 95 | 36,000 | Lubricated | -10° to 240° | ABEC-7 | 0000000 | 00000 |
| R133 | 3/32" | 3/16" | 1/16" | 0.234" | 0.02" | 440C Stainless Steel | 20 | 4 | 100,000 | Lubricated | -10° to 240° | ABEC-7 | 000000 | 00000 |
| R144 | 1/8" | 1/4" | 3/32" | 0.296" | 0.02" | 440C Stainless Steel | 40 | 10 | 84,000 | Lubricated | -10° to 240° | ABEC-7 | 000000 | 00000 |
| R155 | 5/32" | 5/16" | 7/64" | 0.359" | 0.02" | 440C Stainless Steel | 55 | 15 | 68,000 | Lubricated | -10° to 240° | ABEC-7 | 000000 | 00000 |
| R156 | 3/16" | 5/16" | 7/64" | 0.359" | 0.02" | 440C Stainless Steel | 40 | 10 | 63,000 | Lubricated | -10° to 240° | ABEC-7 | 0000000 | 00000 |
| R166 | 3/16" | 3/8" | 1/8" | 0.422" | 0.02" | 440C Stainless Steel | 100 | 25 | 56,000 | Lubricated | -10° to 240° | ABEC-7 | 0000000 | 00000 |
| R168 | 1/4" | 3/8" | 1/8" | 0.422" | 0.02" | 440C Stainless Steel | 45 | 15 | 50,000 | Lubricated | -10° to 240° | ABEC-7 | 0000000 | 00000 |
| R188 | 1/4" | 1/2" | 1/8" | 0.547" | 0.02" | 440C Stainless Steel | 160 | 45 | 42,000 | Lubricated | -10° to 240° | ABEC-7 | 0000000 | 00000 |
| R1810 | 5/16" | 1/2" | 5/32" | 0.547" | 0.03" | 440C Stainless Steel | 120 | 40 | 39,000 | Lubricated | -10° to 240° | ABEC-7 | 0000000 | 00000 |
Shielded | ||||||||||||||
| R0-2Z | 0.047" | 5/32" | 3/32" | 0.203" | 0.03" | 440C Stainless Steel | 15 | 5 | 80,000 | Lubricated | -60° to 250° | ABEC-7 | 0000000 | 00000 |
| R1-2Z | 0.055" | 3/16" | 7/64" | 0.234" | 0.03" | 440C Stainless Steel | 25 | 10 | 68,000 | Lubricated | -60° to 250° | ABEC-7 | 0000000 | 00000 |
| R1-4-2Z | 5/64" | 1/4" | 9/64" | 0.296" | 0.03" | 440C Stainless Steel | 35 | 10 | 48,000 | Lubricated | -60° to 250° | ABEC-7 | 0000000 | 00000 |
| R1-5-2Z | 3/32" | 5/16" | 9/64" | 0.359" | 0.03" | 440C Stainless Steel | 60 | 20 | 34,000 | Lubricated | -60° to 250° | ABEC-7 | 0000000 | 00000 |
| R2-2Z | 1/8" | 3/8" | 5/32" | 0.44" | 0.03" | 440C Stainless Steel | 65 | 25 | 25,000 | Lubricated | -60° to 250° | ABEC-7 | 0000000 | 00000 |
| R2-5-2Z | 1/8" | 5/16" | 9/64" | 0.359" | 0.03" | 440C Stainless Steel | 60 | 20 | 25,000 | Lubricated | -60° to 250° | ABEC-7 | 0000000 | 00000 |
| R3-2Z | 3/16" | 1/2" | 0.196" | 0.565" | 0.04" | 440C Stainless Steel | 140 | 55 | 17,000 | Lubricated | -60° to 250° | ABEC-7 | 0000000 | 00000 |
| R4-2Z | 1/4" | 5/8" | 0.196" | 0.69" | 0.04" | 440C Stainless Steel | 150 | 70 | 13,000 | Lubricated | -60° to 250° | ABEC-7 | 0000000 | 00000 |
| R133-2Z | 3/32" | 3/16" | 3/32" | 0.234" | 0.03" | 440C Stainless Steel | 15 | 5 | 34,000 | Lubricated | -60° to 250° | ABEC-7 | 0000000 | 00000 |
| R144-2Z | 1/8" | 1/4" | 7/64" | 0.296" | 0.03" | 440C Stainless Steel | 30 | 10 | 25,000 | Lubricated | -60° to 250° | ABEC-7 | 0000000 | 00000 |
| R155-2Z | 5/32" | 5/16" | 1/8" | 0.359" | 0.04" | 440C Stainless Steel | 40 | 15 | 20,000 | Lubricated | -60° to 250° | ABEC-7 | 0000000 | 00000 |
| R156-2Z | 3/16" | 5/16" | 1/8" | 0.359" | 0.04" | 440C Stainless Steel | 40 | 15 | 17,000 | Lubricated | -60° to 250° | ABEC-7 | 0000000 | 00000 |
| R166-2Z | 3/16" | 3/8" | 1/8" | 0.422" | 0.03" | 440C Stainless Steel | 75 | 30 | 17,000 | Lubricated | -60° to 250° | ABEC-7 | 0000000 | 00000 |
| R168-2Z | 1/4" | 3/8" | 1/8" | 0.422" | 0.04" | 440C Stainless Steel | 40 | 20 | 15,000 | Lubricated | -60° to 250° | ABEC-7 | 0000000 | 00000 |
| R188-2Z | 1/4" | 1/2" | 3/16" | 0.547" | 0.05" | 440C Stainless Steel | 85 | 40 | 13,000 | Lubricated | -60° to 250° | ABEC-7 | 0000000 | 00000 |
| R1810-2Z | 5/16" | 1/2" | 5/32" | 0.547" | 0.03" | 440C Stainless Steel | 90 | 40 | 10,000 | Lubricated | -60° to 250° | ABEC-7 | 0000000 | 00000 |