3780/30

Tapered roller bearings - Single-row - Inch series

Specifications
(Boundary dimensions ...etc)

d
50.800 mm
D
93.264 mm
T
30.162 mm
B
30.302 mm
C
23.812 mm
r(min.)
3.6 mm
r1(min.)
0.8 mm
Basic load ratings : Cr
129 kN
Basic load ratings : C0r
137 kN
Fatigue load limit : Cu
20.9 kN
Limiting speeds(Grease lub.)
4200 min-1
Limiting speeds(Oil lub.)
5500 min-1
Load center spread : a
22.2 mm
Constant :e
0.34
Axial load factors : Y1
1.77
Axial load factors : Y0
0.97

Mounting dimensions

da
64.0 mm
db
58.0 mm
Da
84.0 mm
Db
88.0 mm
ra(max.)
3.6 mm
rb(max.)
0.8 mm

Refer.

(Refer.)Mass
0.840 kg

Technical calculation for this product.

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