Tapered roller bearings 4T-780/772 NTN
NTN

Tapered roller bearings 4T-780/772

Bearing NTN 4T-780/772, Ø101.6×180.975×48.006 mm. Request a quote — worldwide shipping.

Code: 4T-780/772
Type Tapered roller bearings
Dimensions Ø 101,6 × 180,975 × 48,006 mm
d101,6Bore Ø (mm)
×
D180,975Outer Ø (mm)
×
B48,006Width (mm)
All bearings 101,6×180,975×48,006 mm Compare all brands with this size
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In stock

Technical specifications

BrandNTN
d - Internal diameter101,6 mm
D - External diameter180,975 mm
B - Bearing/Inner ring width48,006 mm
C - Outer ring width38,1 mm
T - Total width47,625 mm
d1 - External diameter inner ring139 mm
a - Charge load application point39,525 mm
rs - Min fillet radius3,5 mm
r1s - Min fillet radius3,3 mm
Mass5,11 kg
C - Dynamic load285000000 mN
C0 - Static load430000000 mN
Cu - Fatigue limit load47500000 mN
A2 - Rating life coefficient1
e - Coefficient0.39
Y0 - Static axial load coefficient0.86
Y2 - Upper axial load coefficient1.56
N lim - Oil lubrication limit speed16200 °/s
N lim - Grease lubrication limit speed12000 °/s
Tmin - Min operating temperature233,15 °K
Tmax - Max operating temperature393,15 °K
da max - Max shoulder diameter IR113 mm
db min - Min IR shoulder diameter119 mm
Da max - Max shoulder diameter OR161 mm
Db min - Min OR shoulder diameter168 mm
ra max - Max fillet radius3,5 mm
r1a - Max fillet radius3,3 mm
Cone designation4T-780
Cup designation4T-772

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NTN 4T-780/772