305-2Z

Single row deep groove ball bearings with filling slots and shields on one or both sides, accommodate more balls than standard deep groove ball bearings. They are of a simple, yet versatile, design and are robust in operation, requiring little maintenance. They can accommodate radial and axial loads in both directions. They have a higher radial load carrying capacity than the corresponding bearings without filling slots but have a limited axial load carrying capacity due to the filling slots. The integral sealing can significantly prolong bearing service life because it keeps lubricant in the bearings and contaminants out.

SKU: 305-2Z
ID:653097

Description

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Dimensions - 305-2Z

Dimensions

d
25 mm
Bore diameter
D
62 mm
Outside diameter
B
17 mm
Width
d1
36.6 mm
Shoulder diameter
D2
52.7 mm
Recess diameter
r1,2
min. 1.1 mm
Chamfer dimension
Abutment dimensions - 305-2Z

Abutment dimensions

da
min. 32 mm
Diameter of shaft abutment
da
max. 32.7 mm
Diameter of shaft abutment
Da
max. 55 mm
Diameter of housing abutment
ra
max. 1 mm
Radius of shaft or housing fillet

Calculation data

Basic dynamic load rating C
22.9 kN
Basic static load rating C0
15.6 kN
Fatigue load limit Pu
0.67 kN
Reference speed
20 000 r/min
Limiting speed
10 400 r/min
Minimum load factor kr
0.05

Mass

Mass bearing
0.24 kg

Tolerance class

Dimensional tolerances
Normal
Radial run-out
Normal

 

305-2Z_20221110

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