6303-2ZNR

Single row deep groove ball bearing, with snap ring groove and seals or shields on one or both sides, are particularly versatile, have low friction and are optimized for low noise and low vibration, which enables high rotational speeds. They accommodate radial and axial loads in both directions, are easy to mount, and require less maintenance than other bearing types. The snap ring, fitted in an annular groove in the outer ring, facilitates axial location of the bearings within their housings. The integral sealing can significantly prolong bearing service life because it keeps lubricant in the bearings and contaminants out.

SKU: 6303-2ZNR
ID:652740

Description

Display in:

SKF performance class
SKF Explorer
Dimensions - 6303-2ZNR

Dimensions

d
17 mm
Bore diameter
D
47 mm
Outside diameter
B
14 mm
Width
d1
26.52 mm
Shoulder diameter
d2
23.4 mm
Recess diameter
D2
39.58 mm
Recess diameter
D3
44.6 mm
Diameter of snap ring groove
D4
52.7 mm
Outside diameter of snap ring
b
1.35 mm
Width of snap ring groove
C
2.46 mm
Distance outer ring from side face to snap ring groove
f
1.12 mm
Width of snap ring
r0
max. 0.4 mm
Bottom radius of snap ring groove
r1,2
min. 1 mm
Chamfer dimension
Abutment dimensions - 6303-2ZNR

Abutment dimensions

da
min. 22.6 mm
Diameter of shaft abutment
da
max. 26.4 mm
Diameter of shaft abutment
Da
max. 41.4 mm
Diameter of housing abutment
Db
min. 54 mm
Diameter of snap ring recess in the housing
ba
min. 1.5 mm
Width of snap ring recess in the housing
Ca
max. 3.58 mm
Distance from outer ring side face to snap ring back face
ra
max. 1 mm
Radius of shaft or housing fillet

Calculation data

Basic dynamic load rating C
14.3 kN
Basic static load rating C0
6.55 kN
Fatigue load limit Pu
0.275 kN
Reference speed
34 000 r/min
Limiting speed
17 000 r/min
Minimum load factor kr
0.03
Calculation factor f0
12

Mass

Mass bearing
0.12 kg

Included products

Snap ring
SP 47

Tolerance class

Dimensional tolerances
P6
Radial run-out
P5

 

6303-2ZNR_20221109

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