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UCX Series Insert bearings for mounted bearing

-Medium duty, setscrew locking type with wide inner ring bearing.

-Made of high quality 52100 steel, ball bearing inserts are used inside pillow block and flange housings or in custom housed applications. They are most commonly produced with a spherical OD to allow for misalignment, but are also available with a cylindrical OD. Standard configurations are lubricated with a multipurpose lithium based grease, and allow for re-lubrication. Special configurations are also available such as free spinning design and a black oxide finish In addition to our standard items and configurations, RICCOTEK excels at manufacturing customized bearings to meet specific application requirements.


Price: US $0.9-25 / Piece | 200 Piece/Pieces (Min. Order)

  • Product Details

Insert bearings and wide inner ring bearings are used for mounting on shafts without the need for shoulders or adapters. The bearing is locked in place through setscrews or a locking collar. UC Style Insert Bearings have an inner ring that extends on both sides of the bearing and SB Style Insert Bearings extend on one side. 

Both designs however are intended to provide extra shaft support. Sometimes insert bearings are simply standard radial bearings that fit into a housing and these bearings may be purchased as stand-alone products to use as replacements. While standard radial ball bearings must be pressed into a machined shaft, using special installation tools, insert bearings can be slip fit directly onto the shaft.



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Bearing No. Dimensions mm in. Dynamic load ratings N Static load ratings N Weight(kg)
d D B C S S1 G ds F

UCX15-47 2-15/16 5.5118 3.25 1.26 1.31 1.94 0.47 1/2-20UNF 0.37 71500 54200 3.11
UCX15-48 3 5.5118 3.25 1.26 1.31 1.94 0.47 1/2-20UNF 0.37 71500 54200 3.11
UCX16 80 150 85.7 34 34.1 51.6 12 M12X1.5 10.2 83500 64600 3.79
UCX16-49 3-1/16 5.91 3.37 1.3386 1.34 2.03 0.472 1/2-20UNF 0.4 83500 64600 3.79
UCX16-50 3-1/8 5.91 3.37 1.3386 1.34 2.03 0.472 1/2-20UNF 0.4 83500 64600 3.79
UCX16-51 3-3/16 5.91 3.37 1.3386 1.34 2.03 0.472 1/2-20UNF 0.4 83500 64600 3.79
UCX17 85 160 96 36 397 56.3 12 M12X1.5 11.2 96000 71500 4.82
UCX17-53 3-5/16 6.2992 3.7795 1.42 1.563 2.22 0.47 1/2-20UNF 0.44 96000 71500 4.82
UCX17-55 3-7/16 6.2992 3.7795 1.42 1.563 2.22 0.47 1/2-20UNF 0.44 96000 71500 4.82
UCX18 90 170 104 39 42.9 61.1 16 M14X1.5 12.5 109000 82000 5.51
UCX18-56 3-1/2 6.6929 4.0945 1.5354 1.689 2.406 0.63 9/16-18UNF 0.492 109000 82000 5.63
UCX20 100 190 117.5 43 49.2 68.3 18 M16x1.5 13.7 133000 105000 8.56
UCX20-64 3-1/2 6.6929 4.0945 1.5354 1.689 2.689 0.63 5/8-18UNF 0.539 133000 105000 8.33
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