Airframe Needle Roller Bearings - NBC

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Series NBC



Part Number: 64 NBC 2078 YZP

d Nom.: 4
D Max.: 4.875
B: 1.25
r1: 0.044
Approx Weight [lbs]: 1.99
Speed Limit [rpm]: 750
Load Limit [lbf]: 109000
Inside Dia. Max: 4
Inside Dia. Min: 3.9992
Outside Dia. Min: 4.874
B1 Outer Ring: 1.049
D1 End Plate Dia.: 4.719
P Inner Ring Groove Width: 0.375
G Outer Ring Groove Width: 0.156
Recommended Shaft Diameter
Loose Fit g6 Max: 3.9995
Loose Fit g6 Min: 3.9987
Tight Fit j6 Max: 4.0005
Loose Fit j6 Min: 3.9996
Boss Dia. Min: 4.469
Clamping Force Max.: 25800
Recommended Housing Bore
Press Fit N6 Max: 4.8732
Press Fit N6 Min: 4.8742
Loose Fit H6 Max: 4.875
Loose Fit H6 Min: 4.876

All dimensions are in inches.

All exposed surfaces plated for corrosion resistance.