Airframe Track Rollers - NBL

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Series NBL



Part Number: 20 NBL 4044 YJ

d Nom.: 1.25
D Max.: 2.75
B: 2.5
r2: 0.032
Approx Weight [lbs]: 3.1
Speed Limit [rpm]: 2300
Load Limit [lbf]: 59500
Inside Dia. Max: 1.25
Inside Dia. Min: 1.2493
Outside Dia. Min: 2.749
B1 Outer Ring: 2.299
D1 End Plate Dia.: 2.5
P Inner Ring Groove Width: 0.375
T Effective Track Width: 2.047
Capacity As Track Roller: 44600
Track Capacity at 40 Rc [lbf]: 17400
Boss Dia. Min: 1.844
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