30312JR

Tapered roller bearings - Single-row - Metric series

Specifications
(Boundary dimensions ...etc)

d
60 mm
D
130 mm
T
33.5 mm
B
31 mm
C
26 mm
r(min.)
3 mm
r1(min.)
2.5 mm
Basic load ratings : Cr
217 kN
Basic load ratings : C0r
201 kN
Fatigue load limit : Cu
31.9 kN
Limiting speeds(Grease lub.)
3100 min-1
Limiting speeds(Oil lub.)
4100 min-1
Load center spread : a
26.9 mm
Constant e
0.35
Axial load factors : Y1
1.74
Axial load factors : Y0
0.96

Mounting dimensions

da(min.)
74 mm
db(max.)
77 mm
Da(max.)
118 mm
da(min.)
112 mm
db(min.)
120 mm
Sa(min.)
4 mm
Sb(min.)
7.5 mm
ra(max.)
2.5 mm
rb(max.)
2 mm

Refer.

(Refer.)Mass
2.08 kg

Technical calculation for this product.

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