305283 DADouble row angular contact ball bearing with two-piece inner ring and relubrication feature

SKU: 305283 DADouble row angular contact ball bearing with two-piece inner ring and relubrication feature

Double row angular contact ball bearing, with two-piece inner ring and relubrication feature, correspond to a pair of single row angular contact ball bearings in a back-to-back arrangement. The two-piece inner ring enables incorporation of more balls, resulting in higher load carrying capacity. The annular lubrication groove and holes in the outer ring facilitates relubrication.

ID:103345

Dimensions - 305283 DA

Dimensions

d
150 mm
Bore diameter
D
230 mm
Outside diameter
B
70 mm
Width
d1
181 mm
Shoulder diameter inner ring for two-piece inner ring
D1
208.1 mm
Shoulder diameter outer ring
b
7.8 mm
Width annular lubrication groove at outer ring
K
3 mm
Diameter lubrication hole (outer ring)
r1,2
min. 2 mm
Chamfer dimension inner ring for two-piece inner ring
a
194 mm
Distance pressure point(s)

Abutment dimensions - 305283 DA

Abutment dimensions

da
min. 155 mm
Abutment diameter shaft
Da
max. 206 mm
Abutment diameter housing
ra
max. 2 mm
Fillet radius

Calculation data

Basic dynamic load rating C
203 kN
Basic static load rating C0
285 kN
Fatigue load limit Pu
9 kN
Reference speed
2 800 r/min
Limiting speed
3 000 r/min
Calculation factor kr
0.095
Limiting value e
1.14
Calculation factor X
0.57
Calculation factor Y0
0.52
Calculation factor Y1
0.55
Calculation factor Y2
0.93

Mass

Mass bearing
10.6 kg

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