66589/20

Tapered roller bearings - Single-row - Inch series

Specifications
(Boundary dimensions ...etc)

d
59.972 mm
D
122.238 mm
T
33.338 mm
B
31.750 mm
C
23.812 mm
r(min.)
0.8 mm
r1(min.)
3.2 mm
Basic load ratings : Cr
160 kN
Basic load ratings : C0r
153 kN
Fatigue load limit : Cu
23.3 kN
Limiting speeds(Grease lub.)
3300 min-1
Limiting speeds(Oil lub.)
4300 min-1
Load center spread : a
35.4 mm
Constant :e
0.67
Axial load factors : Y1
0.90
Axial load factors : Y0
0.50

Mounting dimensions

da
74.0 mm
db
73.0 mm
Da
105.0 mm
Db
116.0 mm
ra(max.)
0.8 mm
rb(max.)
3.2 mm

Refer.

(Refer.)Mass
1.66 kg

Technical calculation for this product.

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