Airframe Needle Roller Bearings - NBK

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Series NBK



Part Number: 20 NBK 2040 YZP

d Nom.: 1.25
D Max.: 2.5
B: 1.25
r1: 0.032
Approx Weight [lbs]: 1.07
Speed Limit [rpm]: 2400
Load Limit [lbf]: 31400
Inside Dia. Max: 1.25
Inside Dia. Min: 1.2493
Outside Dia. Min: 2.4994
B1 Outer Ring: 1.049
D1 End Plate Dia.: 1.906
P Inner Ring Groove Width: 0.375
G Outer Ring Groove Width: 0.156
Recommended Shaft Diameter
Loose Fit f6 Max: 1.249
Loose Fit f6 Min: 1.2484
Tight Fit j6 Max: 1.2504
Loose Fit j6 Min: 1.2498
Boss Dia. Max: 1.781
Boss Dia. Min: 1.625
Clamping Force Max.: 25800
Recommended Housing Bore
Press Fit N6 Max: 2.4987
Press Fit N6 Min: 2.4994
Loose Fit H6 Max: 2.5
Loose Fit H6 Min: 2.5007

All dimensions are in inches.

All exposed surfaces plated for corrosion resistance.