02872/20

Tapered roller bearings - Single-row - Inch series

Specifications
(Boundary dimensions ...etc)

d
28.575 mm
D
73.025 mm
T
22.225 mm
B
22.225 mm
C
17.462 mm
r(min.)
0.8 mm
r1(min.)
3.2 mm
Basic load ratings : Cr
68.8 kN
Basic load ratings : C0r
65.7 kN
Fatigue load limit : Cu
9.55 kN
Limiting speeds(Grease lub.)
5500 min-1
Limiting speeds(Oil lub.)
7400 min-1
Load center spread : a
18.4 mm
Constant :e
0.45
Axial load factors : Y1
1.32
Axial load factors : Y0
0.73

Mounting dimensions

da
37.5 mm
db
37.0 mm
Da
62.0 mm
Db
68.0 mm
ra(max.)
0.8 mm
rb(max.)
3.2 mm

Refer.

(Refer.)Mass
0.477 kg

Technical calculation for this product.

For those who are considering the purchase of our products

Please contact us or find your nearest distributor

Contact Us