42688/20

Tapered roller bearings - Single-row - Inch series

Specifications
(Boundary dimensions ...etc)

d
76.200 mm
D
127.000 mm
T
30.162 mm
B
31.000 mm
C
22.225 mm
r(min.)
6.4 mm
r1(min.)
3.2 mm
Basic load ratings : Cr
179 kN
Basic load ratings : C0r
225 kN
Fatigue load limit : Cu
32.3 kN
Limiting speeds(Grease lub.)
2400 min-1
Limiting speeds(Oil lub.)
3200 min-1
Load center spread : a
27.1 mm
Constant :e
0.42
Axial load factors : Y1
1.43
Axial load factors : Y0
0.79

Mounting dimensions

da
96.0 mm
db
84.0 mm
Da
114.0 mm
Db
121.0 mm
ra(max.)
6.4 mm
rb(max.)
3.2 mm

Refer.

(Refer.)Mass
1.47 kg

Technical calculation for this product.

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