Koyo NRB K50X66X30H.ZB2 Needle roller bearings

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Koyo NRB K50X66X30H.ZB2 Needle roller bearings image

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The details of Needle roller bearings

d:300 mm
D:540 mm
T:280 mm
2B:298 mm
b:36 mm
K:18 mm
r3,4 min.:5 mm
r5 min.:1.5 mm
da max.:343 mm
Da min.:453 mm
Da max.:518 mm
Ca min.:10 mm
ra max.:4 mm
rc max.:1.5 mm
Basic dynamic load rating C:2935 kN
Basic static load rating C0:9500 kN
Fatigue load limit Pu:735 kN
Reference speed:630 r/min
Limiting speed:1100 r/min
Calculation factor e:0.43
Calculation factor Y1:1.6
Calculation factor Y2:2.3
Calculation factor Y0:1.6
Mass bearing pair:290 kg

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