Airframe Track Rollers - NBF

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Series NBF



Part Number: 20 NBF 2040 YJ

d Nom.: 1.25
D Max.: 2.5
B: 1.25
r2: 0.032
Approx Weight [lbs]: 1.1
Speed Limit [rpm]: 2300
Load Limit [lbf]: 25300
Inside Dia. Max: 1.25
Inside Dia. Min: 1.2493
Outside Dia. Min: 2.499
B1 Outer Ring: 1.049
D1 End Plate Dia.: 2.375
P Inner Ring Groove Width: 0.375
T Effective Track Width: 0.938
Capacity As Track Roller: 18900
Track Capacity at 40 Rc [lbf]: 7300
Boss Dia. Min: 1.625
Clamping Force Max.: 25000
Recommended Shaft Bore
Loose Fit f6 Max: 1.2496
Loose Fit f6 Min: 1.249
> Tight Fit j6 Max: 1.2504
Tight Fit j6 Max: 1.2498