30208JR

Tapered roller bearings - Single-row - Metric series

Specifications
(Boundary dimensions ...etc)

d
40 mm
D
80 mm
T
19.75 mm
B
18 mm
C
16 mm
r(min.)
1.5 mm
r1(min.)
1.5 mm
Basic load ratings : Cr
78.4 kN
Basic load ratings : C0r
69.2 kN
Fatigue load limit : Cu
10.3 kN
Limiting speeds(Grease lub.)
5000 min-1
Limiting speeds(Oil lub.)
6700 min-1
Load center spread : a
17.0 mm
Constant e
0.37
Axial load factors : Y1
1.60
Axial load factors : Y0
0.88

Mounting dimensions

da(min.)
48.5 mm
db(max.)
49 mm
Da(max.)
71.5 mm
Da(min.)
69 mm
Db(min.)
75 mm
Sa(min.)
3 mm
Sb(min.)
3.5 mm
ra(max.)
1.5 mm
rb(max.)
1.5 mm

Refer.

(Refer.)Mass
0.434 kg

Technical calculation for this product.

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