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
2.953 Inch | 75 Millimeter x 4.528 Inch | 115 Millimeter x 2.362 Inch | 60 Millimeter TIMKEN 3MMC9115WI TUH Precision Ball Bearings B04334 1 Single Cone | 1 Si 3.456 Standard
3.937 Inch | 100 Millimeter x 5.906 Inch | 150 Millimeter x 0.945 Inch | 24 Millimeter TIMKEN 2MMC9120WI SUH Precision Ball Bearings 1.504 Inch | 38.202 Oil Impregnated Sint 201399 0.066
2.953 Inch | 75 Millimeter x 4.528 Inch | 115 Millimeter x 0.787 Inch | 20 Millimeter TIMKEN 3MMC9115WI SUM Precision Ball Bearings Thrust Washer B04264 1.504 Inch | 38.202 SAE841
3.937 Inch | 100 Millimeter x 5.906 Inch | 150 Millimeter x 3.78 Inch | 96 Millimeter TIMKEN 2MMC9120WI QUM Precision Ball Bearings 3 Bolt Flange Bracke 0662461010181 3 Bolt Flange Bracke Flanged
2.953 Inch | 75 Millimeter x 4.528 Inch | 115 Millimeter x 0.787 Inch | 20 Millimeter TIMKEN 3MMC9115WI SUL Precision Ball Bearings 193.7 mm M6x1 52.5 kN 14.9 mm
1.181 Inch | 30 Millimeter x 2.165 Inch | 55 Millimeter x 2.047 Inch | 52 Millimeter TIMKEN 3MMC9106WI QUL Precision Ball Bearings Cartridge Unit Beari N/A Cartridge Unit 220MM Bore; 457.2MM
2.953 Inch | 75 Millimeter x 4.528 Inch | 115 Millimeter x 1.575 Inch | 40 Millimeter TIMKEN 2MMC9115WI DUH Precision Ball Bearings ABEC 7 | ISO P4 5.118 Inch | 130 Mil Precision Ball Beari Duplex-Back to Back
2.953 Inch | 75 Millimeter x 4.528 Inch | 115 Millimeter x 3.15 Inch | 80 Millimeter TIMKEN 3MMC9115WI QUH Precision Ball Bearings SB206-18G 2 Bolt Pillow Block; Pillow Block K Seal
2.953 Inch | 75 Millimeter x 4.528 Inch | 115 Millimeter x 1.575 Inch | 40 Millimeter TIMKEN 3MMC9115WI DUM Precision Ball Bearings 32.6 mm -20 °C 35.1 kN 260 mm
2.756 Inch | 70 Millimeter x 4.331 Inch | 110 Millimeter x 0.787 Inch | 20 Millimeter TIMKEN 3MMC9114WI SUH Precision Ball Bearings 0 Bushing No Flange 0.313 Inch | 7.95 Mi 0.503 Inch | 12.776
2.756 Inch | 70 Millimeter x 4.331 Inch | 110 Millimeter x 3.15 Inch | 80 Millimeter TIMKEN 3MMC9114WI QUM Precision Ball Bearings FAG BEARING N/A SCHAEFFLER GROUP 0.0
2.559 Inch | 65 Millimeter x 3.937 Inch | 100 Millimeter x 0.709 Inch | 18 Millimeter TIMKEN 3MMC9113WI SUM Precision Ball Bearings N/A 0 0.0 0692314578773
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