30303JR

Tapered roller bearings - Single-row - Metric series

Specifications
(Boundary dimensions ...etc)

d
17 mm
D
47 mm
T
15.25 mm
B
14 mm
C
12 mm
r(min.)
1 mm
r1(min.)
1 mm
Basic load ratings : Cr
34.2 kN
Basic load ratings : C0r
24.5 kN
Fatigue load limit : Cu
3.45 kN
Limiting speeds(Grease lub.)
9200 min-1
Limiting speeds(Oil lub.)
12000 min-1
Load center spread : a
11.0 mm
Constant e
0.29
Axial load factors : Y1
2.11
Axial load factors : Y0
1.16

Mounting dimensions

da(min.)
22.5 mm
db(max.)
25 mm
Da(max.)
41.5 mm
da(min.)
40 mm
db(min.)
42 mm
Sa(min.)
2 mm
Sb(min.)
3 mm
ra(max.)
1 mm
rb(max.)
1 mm

Refer.

(Refer.)Mass
0.133 kg

Technical calculation for this product.

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