NTN

Tapered roller bearings 4T-30210

Bearing NTN 4T-30210, Ø50×90×20 mm. Request a quote — worldwide shipping.

Code: 4T-30210
Type Tapered roller bearings
Dimensions Ø 50 × 90 × 20 mm
d50Bore Ø (mm)
×
D90Outer Ø (mm)
×
B20Width (mm)
All bearings 50×90×20 mm Compare all brands with this size
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Technical specifications

BrandNTN
d - Internal diameter50 mm
D - External diameter90 mm
B - Bearing/Inner ring width20 mm
C - Outer ring width17 mm
T - Total width21,75 mm
d1 - External diameter inner ring69 mm
a - Charge load application point19,5 mm
rs - Min fillet radius1,5 mm
r1s - Min fillet radius1,5 mm
Mass0,56 kg
ISO 355 referenceT3DB050
C - Dynamic load85500000 mN
C0 - Static load93000000 mN
Cu - Fatigue limit load11300000 mN
A2 - Rating life coefficient1
e - Coefficient0.42
Y0 - Static axial load coefficient0.79
Y2 - Upper axial load coefficient1.43
N lim - Oil lubrication limit speed31800 °/s
N lim - Grease lubrication limit speed24000 °/s
Tmin - Min operating temperature233,15 °K
Tmax - Max operating temperature393,15 °K
da max - Max shoulder diameter IR58 mm
db min - Min IR shoulder diameter58,5 mm
Da min - Min shoulder diameter OR79 mm
Da max - Max shoulder diameter OR81,5 mm
Db min - Min OR shoulder diameter85 mm
Ca - Min clearance3 mm
Cb - Min clearance4,5 mm
ra max - Max fillet radius1,5 mm
r1a - Max fillet radius1,5 mm
NTN 4T-30210