30306JR

Tapered roller bearings - Single-row - Metric series

Specifications
(Boundary dimensions ...etc)

d
30 mm
D
72 mm
T
20.75 mm
B
19 mm
C
16 mm
r(min.)
1.5 mm
r1(min.)
1.5 mm
Basic load ratings : Cr
74.4 kN
Basic load ratings : C0r
60.1 kN
Fatigue load limit : Cu
9.00 kN
Limiting speeds(Grease lub.)
5800 min-1
Limiting speeds(Oil lub.)
7700 min-1
Load center spread : a
15.7 mm
Constant e
0.31
Axial load factors : Y1
1.90
Axial load factors : Y0
1.05

Mounting dimensions

da(min.)
38.5 mm
db(max.)
40 mm
Da(max.)
63.5 mm
da(min.)
62 mm
db(min.)
66 mm
Sa(min.)
3 mm
Sb(min.)
4.5 mm
ra(max.)
1.5 mm
rb(max.)
1.5 mm

Refer.

(Refer.)Mass
0.411 kg

Technical calculation for this product.

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