31328JR

Tapered roller bearings - Single-row - Metric series

Specifications
(Boundary dimensions ...etc)

d
140 mm
D
300 mm
T
77 mm
B
70 mm
C
47 mm
r(min.)
5 mm
r1(min.)
4 mm
Basic load ratings : Cr
841 kN
Basic load ratings : C0r
865 kN
Fatigue load limit : Cu
99.1 kN
Limiting speeds(Grease lub.)
1100 min-1
Limiting speeds(Oil lub.)
1500 min-1
Load center spread : a
93.8 mm
Constant e
0.83
Axial load factors : Y1
0.73
Axial load factors : Y0
0.40

Mounting dimensions

da(min.)
162 mm
db(max.)
167 mm
Da(max.)
282 mm
da(min.)
254 mm
db(min.)
280 mm
Sa(min.)
8 mm
Sb(min.)
26 mm
ra(max.)
4 mm
rb(max.)
3 mm

Refer.

(Refer.)Mass
23.3 kg

Technical calculation for this product.

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