Precision Ball Bearings

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National Precision Bearing specializes in precision bearing solutions for aerospace, defense, medical, and industrial applications. NPB stocks deep groove ball bearings, angular contact bearings, miniature bearings, medical bearings, aviation instrument bearings, dental bearings, spherical bearings, rod end bearings, airframe control bearings, bushings, hydraulic cylinder bearings, needle bearings, double row bearings, ABEC 1, 3, 5, 7, 9 bearings, plastic bearings, DFARs Compliant Bearings, high-speed bearings, thin section bearings, thrust bearings, tapered roller bearings, stainless steel bearings, ceramic bearings, inch and metric bearings, fractured race spherical bearings, plain bearings, full compliment bearings, and bearing installation tools. In addition to bearings, bushings and installation tools, National Precision Bearing also offers relubrication and packaging services in a ISO Class 6 (Class 1000) cleanroom.

Bearing Number Bore Dia Outer DIa Width Size
3.543 Inch | 90 Millimeter x 5.512 Inch | 140 Millimeter x 1.89 Inch | 48 Millimeter TIMKEN 2MMC9118WI DUM Precision Ball Bearings 0662288723868 SEALMASTER N/A 31171508
3.543 Inch | 90 Millimeter x 5.512 Inch | 140 Millimeter x 3.78 Inch | 96 Millimeter TIMKEN 2MMC9118WI QUH Precision Ball Bearings 46.2 mm -40 °C 40 mm FA204N-
2.362 Inch | 60 Millimeter x 3.74 Inch | 95 Millimeter x 1.417 Inch | 36 Millimeter TIMKEN 3MMC9112WI DUM Precision Ball Bearings B04311 N/A 0 Bearings
2.362 Inch | 60 Millimeter x 3.74 Inch | 95 Millimeter x 1.417 Inch | 36 Millimeter TIMKEN 3MMC9112WI DUL Precision Ball Bearings B04311 SCHAEFFLER GROUP 0.0 N/A
2.362 Inch | 60 Millimeter x 3.74 Inch | 95 Millimeter x 2.835 Inch | 72 Millimeter TIMKEN 3MMC9112WI QUH Precision Ball Bearings N/A TIMKEN 0.0 0883450117494
3.346 Inch | 85 Millimeter x 5.118 Inch | 130 Millimeter x 2.598 Inch | 66 Millimeter TIMKEN 2MMC9117WI TUM Precision Ball Bearings AMI BEARINGS 0808250430840 N/A 0.0
2.362 Inch | 60 Millimeter x 3.74 Inch | 95 Millimeter x 1.417 Inch | 36 Millimeter TIMKEN 3MMC9112WI DUH Precision Ball Bearings Non-expansion 22215 23 31171501
2.165 Inch | 55 Millimeter x 3.543 Inch | 90 Millimeter x 1.417 Inch | 36 Millimeter TIMKEN 3MMC9111WI DUL Precision Ball Bearings 50MM Bore; 90MM Outs 90 mm High Carbon Chrome S 50 mm
3.346 Inch | 85 Millimeter x 5.118 Inch | 130 Millimeter x 2.598 Inch | 66 Millimeter TIMKEN 2MMC9117WI TUL Precision Ball Bearings SKF 0.104 N/A 0.0
3.543 Inch | 90 Millimeter x 5.512 Inch | 140 Millimeter x 1.89 Inch | 48 Millimeter TIMKEN 2MMC9118WI DUH Precision Ball Bearings Cup 0.101 31171529 TIMKEN
3.346 Inch | 85 Millimeter x 5.118 Inch | 130 Millimeter x 0.866 Inch | 22 Millimeter TIMKEN 2MMC9117WI SUM Precision Ball Bearings Yes Bearing 4 Bolt Pillow Block 3.938 Inch | 100.025
3.346 Inch | 85 Millimeter x 5.118 Inch | 130 Millimeter x 2.598 Inch | 66 Millimeter TIMKEN 2MMC9117WI TUH Precision Ball Bearings N/A B04334 TIMKEN 0.0
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