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Ultra-Class Four Bolt Flanged Unit with Set Screw
Ultra-Class Four Bolt Flanged Units
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Bore Size d (in)
Bore Size d (mm)
Total Length L (in)
Total Length L (mm)
Bolt Hole Spacing J (in)
Bolt Hole Spacing J (mm)
Housing Width A (in)
Housing Width A (mm)
Total Width A0 (in)
Total Width A0 (mm)
Flange Thickness A1 (in)
Flange Thickness A1 (mm)
Item # |
d |
L |
J |
A |
A0 |
A1 |
Lubrication |
Ball Material |
Outside Diameter |
Outside Diameter |
Bore Type |
Outside Ring Width |
Inside Ring Width |
Clearance |
Cage Material |
Precision Rating |
Radial Dynamic Load Rating |
Radial Static Load Rating |
Rotational Speed [Max]-Grease |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UCFU-2.1/16 UCFU-2.1/16/Asset/Ultra-Class-Four-Bolt-Flanged-Unit-with-Set-Screw-UC-FU-FUX-Type.png | d N/A 2-1/16 in52.388 mm | L N/A 6.4063 in162.7 mm | J N/A 5.125 in130.2 mm | A N/A 1.9375 in49.2 mm | A0 N/A 2.5313 in64.300 mm | A1 N/A 0.8125 in20.6 mm | Lubrication N/A | Ball Material N/A | Outside Diameter N/A | Outside Diameter N/A | Bore Type N/A | Outside Ring Width N/A | Inside Ring Width N/A | Clearance N/A | Cage Material N/A | Precision Rating N/A | Radial Dynamic Load Rating N/A | Radial Static Load Rating N/A | Rotational Speed [Max]-Grease N/A |
| UCFU-2.1/2R UCFU-2.1/2R/Asset/Ultra-Class-Four-Bolt-Flanged-Unit-with-Set-Screw-UC-FU-FUX-Type.png | d N/A 2-1/2 in63.500 mm | L N/A 7.375 in187.3 mm | J N/A 5.8594 in148.8 mm | A N/A 2.3125 in58.7 mm | A0 N/A 3.0625 in77.8 mm | A1 N/A 0.875 in22.2 mm | Lubrication N/A | Ball Material N/A | Outside Diameter N/A | Outside Diameter N/A | Bore Type N/A | Outside Ring Width N/A | Inside Ring Width N/A | Clearance N/A | Cage Material N/A | Precision Rating N/A | Radial Dynamic Load Rating N/A | Radial Static Load Rating N/A | Rotational Speed [Max]-Grease N/A |
| UCFU-2.1/4 UCFU-2.1/4/Asset/Ultra-Class-Four-Bolt-Flanged-Unit-with-Set-Screw-UC-FU-FUX-Type.png | d N/A 2-1/4 in57.150 mm | L N/A 6.875 in174.6 mm | J N/A 5.625 in142.9 mm | A N/A 2.0938 in53.2 mm | A0 N/A 2.9063 in73.8 mm | A1 N/A 0.8125 in20.6 mm | Lubrication N/A | Ball Material N/A | Outside Diameter N/A | Outside Diameter N/A | Bore Type N/A | Outside Ring Width N/A | Inside Ring Width N/A | Clearance N/A | Cage Material N/A | Precision Rating N/A | Radial Dynamic Load Rating N/A | Radial Static Load Rating N/A | Rotational Speed [Max]-Grease N/A |
| UCFU-2.1/8 UCFU-2.1/8/Asset/Ultra-Class-Four-Bolt-Flanged-Unit-with-Set-Screw-UC-FU-FUX-Type.png | d N/A 2-1/8 in53.975 mm | L N/A 6.4063 in162.7 mm | J N/A 5.125 in130.2 mm | A N/A 1.9375 in49.2 mm | A0 N/A 2.5313 in64.300 mm | A1 N/A 0.8125 in20.6 mm | Lubrication N/A | Ball Material N/A | Outside Diameter N/A | Outside Diameter N/A | Bore Type N/A | Outside Ring Width N/A | Inside Ring Width N/A | Clearance N/A | Cage Material N/A | Precision Rating N/A | Radial Dynamic Load Rating N/A | Radial Static Load Rating N/A | Rotational Speed [Max]-Grease N/A |
| UCFU-2.11/16 UCFU-2.11/16/Asset/Ultra-Class-Four-Bolt-Flanged-Unit-with-Set-Screw-UC-FU-FUX-Type.png | d N/A 2-11/16 in68.263 mm | L N/A 7.5938 in192.9 mm | J N/A 5.875 in149.2 mm | A N/A 2.4375 in61.9 mm | A0 N/A 3.2441 in82.400 mm | A1 N/A 0.875 in22.2 mm | Lubrication N/A | Ball Material N/A | Outside Diameter N/A | Outside Diameter N/A | Bore Type N/A | Outside Ring Width N/A | Inside Ring Width N/A | Clearance N/A | Cage Material N/A | Precision Rating N/A | Radial Dynamic Load Rating N/A | Radial Static Load Rating N/A | Rotational Speed [Max]-Grease N/A |
| UCFU-2.11/16R UCFU-2.11/16R/Asset/Ultra-Class-Four-Bolt-Flanged-Unit-with-Set-Screw-UC-FU-FUX-Type.png | d N/A 2-11/16 in68.263 mm | L N/A 7.5938 in192.9 mm | J N/A 5.875 in149.2 mm | A N/A 2.4375 in61.9 mm | A0 N/A 3.2500 in82.6 mm | A1 N/A 0.875 in22.2 mm | Lubrication N/A | Ball Material N/A | Outside Diameter N/A | Outside Diameter N/A | Bore Type N/A | Outside Ring Width N/A | Inside Ring Width N/A | Clearance N/A | Cage Material N/A | Precision Rating N/A | Radial Dynamic Load Rating N/A | Radial Static Load Rating N/A | Rotational Speed [Max]-Grease N/A |
| UCFU-2.13/16 UCFU-2.13/16/Asset/Ultra-Class-Four-Bolt-Flanged-Unit-with-Set-Screw-UC-FU-FUX-Type.png | d N/A 2-13/16 in71.438 mm | L N/A 7.875 in200.0 mm | J N/A 6 in152.4 mm | A N/A 2.5625 in65.1 mm | A0 N/A 3.3594 in85.300 mm | A1 N/A 0.875 in22.2 mm | Lubrication N/A | Ball Material N/A | Outside Diameter N/A | Outside Diameter N/A | Bore Type N/A | Outside Ring Width N/A | Inside Ring Width N/A | Clearance N/A | Cage Material N/A | Precision Rating N/A | Radial Dynamic Load Rating N/A | Radial Static Load Rating N/A | Rotational Speed [Max]-Grease N/A |
| UCFU-2.15/16 UCFU-2.15/16/Asset/Ultra-Class-Four-Bolt-Flanged-Unit-with-Set-Screw-UC-FU-FUX-Type.png | d N/A 2-15/16 in74.613 mm | L N/A 7.875 in200.0 mm | J N/A 6 in152.4 mm | A N/A 2.5625 in65.1 mm | A0 N/A 3.3594 in85.300 mm | A1 N/A 0.875 in22.2 mm | Lubrication N/A | Ball Material N/A | Outside Diameter N/A | Outside Diameter N/A | Bore Type N/A | Outside Ring Width N/A | Inside Ring Width N/A | Clearance N/A | Cage Material N/A | Precision Rating N/A | Radial Dynamic Load Rating N/A | Radial Static Load Rating N/A | Rotational Speed [Max]-Grease N/A |
| UCFU-2.3/16 UCFU-2.3/16/Asset/Ultra-Class-Four-Bolt-Flanged-Unit-with-Set-Screw-UC-FU-FUX-Type.png | d N/A 2-3/16 in55.563 mm | L N/A 6.4063 in162.7 mm | J N/A 5.125 in130.2 mm | A N/A 1.9375 in49.2 mm | A0 N/A 2.5313 in64.300 mm | A1 N/A 0.8125 in20.6 mm | Lubrication N/A | Ball Material N/A | Outside Diameter N/A | Outside Diameter N/A | Bore Type N/A | Outside Ring Width N/A | Inside Ring Width N/A | Clearance N/A | Cage Material N/A | Precision Rating N/A | Radial Dynamic Load Rating N/A | Radial Static Load Rating N/A | Rotational Speed [Max]-Grease N/A |
| UCFU-2.3/16MFG1 UCFU-2.3/16MFG1/Asset/Ultra-Class-Four-Bolt-Flanged-Unit-with-Set-Screw-UC-FU-FUX-Type.png | d N/A 2 in50.800 mm | L N/A 6.4063 in162.7 mm | J N/A 5.125 in130.2 mm | A N/A 1.9375 in49.2 mm | A0 N/A 1.5313 in64.300 mm | A1 N/A 0.8125 in20.6 mm | Lubrication N/A | Ball Material N/A | Outside Diameter N/A | Outside Diameter N/A | Bore Type N/A | Outside Ring Width N/A | Inside Ring Width N/A | Clearance N/A | Cage Material N/A | Precision Rating N/A | Radial Dynamic Load Rating N/A | Radial Static Load Rating N/A | Rotational Speed [Max]-Grease N/A |
| UCFU-2.3/4R UCFU-2.3/4R/Asset/Ultra-Class-Four-Bolt-Flanged-Unit-with-Set-Screw-UC-FU-FUX-Type.png | d N/A 2-3/4 in69.850 mm | L N/A 7.5938 in192.9 mm | J N/A 5.875 in149.2 mm | A N/A 2.4375 in61.9 mm | A0 N/A 3.2500 in82.6 mm | A1 N/A 0.875 in22.2 mm | Lubrication N/A | Ball Material N/A | Outside Diameter N/A | Outside Diameter N/A | Bore Type N/A | Outside Ring Width N/A | Inside Ring Width N/A | Clearance N/A | Cage Material N/A | Precision Rating N/A | Radial Dynamic Load Rating N/A | Radial Static Load Rating N/A | Rotational Speed [Max]-Grease N/A |
| UCFU-2.3/8 UCFU-2.3/8/Asset/Ultra-Class-Four-Bolt-Flanged-Unit-with-Set-Screw-UC-FU-FUX-Type.png | d N/A 2-3/8 in60.325 mm | L N/A 6.875 in174.6 mm | J N/A 5.625 in142.9 mm | A N/A 2.0938 in53.2 mm | A0 N/A 2.9063 in73.8 mm | A1 N/A 0.8125 in20.6 mm | Lubrication N/A | Ball Material N/A | Outside Diameter N/A | Outside Diameter N/A | Bore Type N/A | Outside Ring Width N/A | Inside Ring Width N/A | Clearance N/A | Cage Material N/A | Precision Rating N/A | Radial Dynamic Load Rating N/A | Radial Static Load Rating N/A | Rotational Speed [Max]-Grease N/A |
| UCFU-2.5/16 UCFU-2.5/16/Asset/Ultra-Class-Four-Bolt-Flanged-Unit-with-Set-Screw-UC-FU-FUX-Type.png | d N/A 2-5/16 in58.738 mm | L N/A 6.875 in174.6 mm | J N/A 5.625 in142.9 mm | A N/A 2.0938 in53.2 mm | A0 N/A 2.9063 in73.8 mm | A1 N/A 0.8125 in20.6 mm | Lubrication N/A | Ball Material N/A | Outside Diameter N/A | Outside Diameter N/A | Bore Type N/A | Outside Ring Width N/A | Inside Ring Width N/A | Clearance N/A | Cage Material N/A | Precision Rating N/A | Radial Dynamic Load Rating N/A | Radial Static Load Rating N/A | Rotational Speed [Max]-Grease N/A |
| UCFU-2.5/8R UCFU-2.5/8R/Asset/Ultra-Class-Four-Bolt-Flanged-Unit-with-Set-Screw-UC-FU-FUX-Type.png | d N/A 2-5/8 in66.675 mm | L N/A 7.5938 in192.9 mm | J N/A 5.875 in149.2 mm | A N/A 2.4375 in61.9 mm | A0 N/A 3.2500 in82.6 mm | A1 N/A 0.875 in22.2 mm | Lubrication N/A | Ball Material N/A | Outside Diameter N/A | Outside Diameter N/A | Bore Type N/A | Outside Ring Width N/A | Inside Ring Width N/A | Clearance N/A | Cage Material N/A | Precision Rating N/A | Radial Dynamic Load Rating N/A | Radial Static Load Rating N/A | Rotational Speed [Max]-Grease N/A |
| UCFU-2.7/16 UCFU-2.7/16/Asset/Ultra-Class-Four-Bolt-Flanged-Unit-with-Set-Screw-UC-FU-FUX-Type.png | d N/A 2-7/16 in61.913 mm | L N/A 6.875 in174.6 mm | J N/A 5.625 in142.9 mm | A N/A 2.0938 in53.2 mm | A0 N/A 2.9063 in73.8 mm | A1 N/A 0.8125 in20.6 mm | Lubrication N/A | Ball Material N/A | Outside Diameter N/A | Outside Diameter N/A | Bore Type N/A | Outside Ring Width N/A | Inside Ring Width N/A | Clearance N/A | Cage Material N/A | Precision Rating N/A | Radial Dynamic Load Rating N/A | Radial Static Load Rating N/A | Rotational Speed [Max]-Grease N/A |
| UCFU-2.7/16MFG1 UCFU-2.7/16MFG1/Asset/Ultra-Class-Four-Bolt-Flanged-Unit-with-Set-Screw-UC-FU-FUX-Type.png | d N/A 2-7/16 in61.913 mm | L N/A 6.875 in174.6 mm | J N/A 5.625 in142.9 mm | A N/A 2.0938 in53.2 mm | A0 N/A 2.9063 in73.8 mm | A1 N/A 0.8125 in20.6 mm | Lubrication N/A | Ball Material N/A | Outside Diameter N/A | Outside Diameter N/A | Bore Type N/A | Outside Ring Width N/A | Inside Ring Width N/A | Clearance N/A | Cage Material N/A | Precision Rating N/A | Radial Dynamic Load Rating N/A | Radial Static Load Rating N/A | Rotational Speed [Max]-Grease N/A |
| UCFU-2.7/8 UCFU-2.7/8/Asset/Ultra-Class-Four-Bolt-Flanged-Unit-with-Set-Screw-UC-FU-FUX-Type.png | d N/A 2-7/8 in73.025 mm | L N/A 7.875 in200.0 mm | J N/A 6 in152.4 mm | A N/A 2.5625 in65.1 mm | A0 N/A 3.3594 in85.300 mm | A1 N/A 0.875 in22.2 mm | Lubrication N/A | Ball Material N/A | Outside Diameter N/A | Outside Diameter N/A | Bore Type N/A | Outside Ring Width N/A | Inside Ring Width N/A | Clearance N/A | Cage Material N/A | Precision Rating N/A | Radial Dynamic Load Rating N/A | Radial Static Load Rating N/A | Rotational Speed [Max]-Grease N/A |
| UCFU-2.9/16R UCFU-2.9/16R/Asset/Ultra-Class-Four-Bolt-Flanged-Unit-with-Set-Screw-UC-FU-FUX-Type.png | d N/A 2-9/16 in65.088 mm | L N/A 7.375 in187.3 mm | J N/A 5.8594 in148.8 mm | A N/A 2.3125 in58.7 mm | A0 N/A 3.0625 in77.8 mm | A1 N/A 0.875 in22.2 mm | Lubrication N/A | Ball Material N/A | Outside Diameter N/A | Outside Diameter N/A | Bore Type N/A | Outside Ring Width N/A | Inside Ring Width N/A | Clearance N/A | Cage Material N/A | Precision Rating N/A | Radial Dynamic Load Rating N/A | Radial Static Load Rating N/A | Rotational Speed [Max]-Grease N/A |
| UCFU-20 UCFU-20/Asset/Ultra-Class-Four-Bolt-Flanged-Unit-with-Set-Screw-UC-FU-FUX-Type.png | d N/A 25/32 in20.000 mm | L N/A 3.375 in85.7 mm | J N/A 2.5 in63.5 mm | A N/A 1.1563 in29.4 mm | A0 N/A 1.4688 in37.300 mm | A1 N/A 0.5938 in15.1 mm | Lubrication N/A | Ball Material N/A | Outside Diameter N/A | Outside Diameter N/A | Bore Type N/A | Outside Ring Width N/A | Inside Ring Width N/A | Clearance N/A | Cage Material N/A | Precision Rating N/A | Radial Dynamic Load Rating N/A | Radial Static Load Rating N/A | Rotational Speed [Max]-Grease N/A |
| UCFU-25 UCFU-25/Asset/Ultra-Class-Four-Bolt-Flanged-Unit-with-Set-Screw-UC-FU-FUX-Type.png | d N/A 31/32 in25.000 mm | L N/A 3.7813 in96.0 mm | J N/A 2.75 in69.9 mm | A N/A 1.1875 in30.2 mm | A0 N/A 1.5313 in38.900 mm | A1 N/A 0.5938 in15.1 mm | Lubrication N/A | Ball Material N/A | Outside Diameter N/A | Outside Diameter N/A | Bore Type N/A | Outside Ring Width N/A | Inside Ring Width N/A | Clearance N/A | Cage Material N/A | Precision Rating N/A | Radial Dynamic Load Rating N/A | Radial Static Load Rating N/A | Rotational Speed [Max]-Grease N/A |
| UCFU-2M/LP03 UCFU-2M/LP03/Asset/Ultra-Class-Four-Bolt-Flanged-Unit-with-Set-Screw-UC-FU-FUX-Type.png | d N/A 2 in50.800 mm | L N/A 6.4063 in162.7 mm | J N/A 5.125 in130.2 mm | A N/A 1.9375 in49.2 mm | A0 N/A 2.5313 in64.300 mm | A1 N/A 0.8125 in20.6 mm | Lubrication N/A | Ball Material N/A | Outside Diameter N/A | Outside Diameter N/A | Bore Type N/A | Outside Ring Width N/A | Inside Ring Width N/A | Clearance N/A | Cage Material N/A | Precision Rating N/A | Radial Dynamic Load Rating N/A | Radial Static Load Rating N/A | Rotational Speed [Max]-Grease N/A |
| UCFU-2M/LP06 UCFU-2M/LP06/Asset/Ultra-Class-Four-Bolt-Flanged-Unit-with-Set-Screw-UC-FU-FUX-Type.png | d N/A 2 in50.800 mm | L N/A 6.4063 in162.7 mm | J N/A 5.125 in130.2 mm | A N/A 1.9375 in49.2 mm | A0 N/A 2.5313 in64.300 mm | A1 N/A 0.8125 in20.6 mm | Lubrication N/A | Ball Material N/A | Outside Diameter N/A | Outside Diameter N/A | Bore Type N/A | Outside Ring Width N/A | Inside Ring Width N/A | Clearance N/A | Cage Material N/A | Precision Rating N/A | Radial Dynamic Load Rating N/A | Radial Static Load Rating N/A | Rotational Speed [Max]-Grease N/A |
| UCFU-2MFG1 UCFU-2MFG1/Asset/Ultra-Class-Four-Bolt-Flanged-Unit-with-Set-Screw-UC-FU-FUX-Type.png | d N/A 2 in50.800 mm | L N/A 6.4063 in162.7 mm | J N/A 5.125 in130.2 mm | A N/A 1.9375 in49.2 mm | A0 N/A 2.5313 in64.300 mm | A1 N/A 0.8125 in20.6 mm | Lubrication N/A | Ball Material N/A | Outside Diameter N/A | Outside Diameter N/A | Bore Type N/A | Outside Ring Width N/A | Inside Ring Width N/A | Clearance N/A | Cage Material N/A | Precision Rating N/A | Radial Dynamic Load Rating N/A | Radial Static Load Rating N/A | Rotational Speed [Max]-Grease N/A |
| UCFU-2S UCFU-2S/Asset/Ultra-Class-Four-Bolt-Flanged-Unit-with-Set-Screw-UC-FU-FUX-Type.png | d N/A 2 in50.800 mm | L N/A 5.6563 in143.7 mm | J N/A 4.375 in111.1 mm | A N/A 1.8125 in46.0 mm | A0 N/A 2.3906 in60.700 mm | A1 N/A 0.7813 in19.8 mm | Lubrication N/A | Ball Material N/A | Outside Diameter N/A | Outside Diameter N/A | Bore Type N/A | Outside Ring Width N/A | Inside Ring Width N/A | Clearance N/A | Cage Material N/A | Precision Rating N/A | Radial Dynamic Load Rating N/A | Radial Static Load Rating N/A | Rotational Speed [Max]-Grease N/A |
| UCFU-3 UCFU-3/Asset/Ultra-Class-Four-Bolt-Flanged-Unit-with-Set-Screw-UC-FU-FUX-Type.png | d N/A 3 in76.200 mm | L N/A 7.875 in200.0 mm | J N/A 6 in152.4 mm | A N/A 2.5625 in65.1 mm | A0 N/A 3.3594 in85.300 mm | A1 N/A 0.875 in22.2 mm | Lubrication N/A | Ball Material N/A | Outside Diameter N/A | Outside Diameter N/A | Bore Type N/A | Outside Ring Width N/A | Inside Ring Width N/A | Clearance N/A | Cage Material N/A | Precision Rating N/A | Radial Dynamic Load Rating N/A | Radial Static Load Rating N/A | Rotational Speed [Max]-Grease N/A |
