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
3.346 Inch | 85 Millimeter x 5.118 Inch | 130 Millimeter x 3.465 Inch | 88 Millimeter TIMKEN 3MMC9117WI QUH Precision Ball Bearings PEER BEARING CO. Bearings B04334 N/A
3.346 Inch | 85 Millimeter x 5.118 Inch | 130 Millimeter x 1.732 Inch | 44 Millimeter TIMKEN 3MMC9117WI DUM Precision Ball Bearings Double Row | Single QM INDUSTRIES 2.438 Inch | 61.925 M06288
3.346 Inch | 85 Millimeter x 5.118 Inch | 130 Millimeter x 1.732 Inch | 44 Millimeter TIMKEN 3MMC9117WI DUH Precision Ball Bearings 3.27 KGS In Stock 143.2 Standard
2.953 Inch | 75 Millimeter x 4.528 Inch | 115 Millimeter x 2.362 Inch | 60 Millimeter TIMKEN 3MMC9115WI TUM Precision Ball Bearings B00308 C4-Extra Loose NSK No
4.331 Inch | 110 Millimeter x 6.693 Inch | 170 Millimeter x 4.409 Inch | 112 Millimeter TIMKEN 2MMC9122WI QUH Precision Ball Bearings Bearings 0.0 0 NACHI
4.331 Inch | 110 Millimeter x 6.693 Inch | 170 Millimeter x 2.205 Inch | 56 Millimeter TIMKEN 2MMC9122WI DUM Precision Ball Bearings 1 Rib Outer Ring N/A Single Row | Angular Steel
4.331 Inch | 110 Millimeter x 6.693 Inch | 170 Millimeter x 2.205 Inch | 56 Millimeter TIMKEN 2MMC9122WI DUL Precision Ball Bearings Bearing Inch 5.75 Inch | 146.05 M 31171504
4.331 Inch | 110 Millimeter x 6.693 Inch | 170 Millimeter x 2.205 Inch | 56 Millimeter TIMKEN 2MMC9122WI DUH Precision Ball Bearings 21315-e1-tvpb-fag 37mm Standard In Stock
4.134 Inch | 105 Millimeter x 6.299 Inch | 160 Millimeter x 3.071 Inch | 78 Millimeter TIMKEN 2MMC9121WI TUM Precision Ball Bearings 10.81 Inch | 274.574 4 Inch | 101.6 Milli QM INDUSTRIES 0 Inch | 0Millimeter
4.134 Inch | 105 Millimeter x 6.299 Inch | 160 Millimeter x 3.071 Inch | 78 Millimeter TIMKEN 2MMC9121WI TUL Precision Ball Bearings M06110 MOLINE BEARING MOLINE BEARING N/A
4.134 Inch | 105 Millimeter x 6.299 Inch | 160 Millimeter x 4.094 Inch | 104 Millimeter TIMKEN 2MMC9121WI QUH Precision Ball Bearings INA Bearings N/A 0.0
4.134 Inch | 105 Millimeter x 6.299 Inch | 160 Millimeter x 1.024 Inch | 26 Millimeter TIMKEN 2MMC9121WI SUL Precision Ball Bearings NTN 0.0 Mounted Units & N/A
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