30305JR

Tapered roller bearings - Single-row - Metric series

Specifications
(Boundary dimensions ...etc)

d
25 mm
D
62 mm
T
18.25 mm
B
17 mm
C
15 mm
r(min.)
1.5 mm
r1(min.)
1.5 mm
Basic load ratings : Cr
60.3 kN
Basic load ratings : C0r
46.9 kN
Fatigue load limit : Cu
6.90 kN
Limiting speeds(Grease lub.)
6800 min-1
Limiting speeds(Oil lub.)
9000 min-1
Load center spread : a
12.9 mm
Constant e
0.30
Axial load factors : Y1
2.00
Axial load factors : Y0
1.10

Mounting dimensions

da(min.)
33.5 mm
db(max.)
34 mm
Da(max.)
54 mm
da(min.)
54 mm
db(min.)
57 mm
Sa(min.)
2 mm
Sb(min.)
3 mm
ra(max.)
1.5 mm
rb(max.)
1.5 mm

Refer.

(Refer.)Mass
0.273 kg

Technical calculation for this product.

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