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6021 NR

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6021 NR

Deep groove ball bearing with snap ring
Single row deep groove ball bearings with a snap ring groove 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 many other bearing types. The snap ring, fitted in an annular groove in the outer ring, facilitates axial location of the bearings within their housings.

  • Snap ring facilitates axial location within housing
  • Simple, versatile and robust design
  • Low friction and high-speed capability
  • Accommodate radial and axial loads in both directions
  • Require little maintenance

Description

Display in:

SKF performance class

SKF Explorer

Dimensions - 6021 NR

Dimensions

d

105 mm

Bore diameter
D

160 mm

Outside diameter
B

26 mm

Width
d1

≈ 122.5 mm

Shoulder diameter
D2

≈ 146.8 mm

Recess diameter
D3

155.22 mm

Diameter of snap ring groove
D4

169.7 mm

Outside diameter of snap ring
b

3.1 mm

Width of snap ring groove
C

3.71 mm

Distance outer ring from side face to snap ring groove
f

2.82 mm

Width of snap ring
r0

max. 0.6 mm

Bottom radius of snap ring groove
r1,2

min. 2 mm

Chamfer dimension

Abutment dimensions - 6021 NR

Abutment dimensions

da

min. 116 mm

Diameter of shaft abutment
Da

max. 149 mm

Diameter of housing abutment
Db

min. 172 mm

Diameter of snap ring recess in the housing
ba

min. 3.5 mm

Width of snap ring recess in the housing
Ca

max. 6.53 mm

Distance from outer ring side face to snap ring back face
ra

max. 2 mm

Radius of shaft or housing fillet

Calculation data

Basic dynamic load ratingC

76.1 kN

Basic static load ratingC0

65.5 kN

Fatigue load limitPu

2.4 kN

Reference speed

8 500 r/min

Limiting speed

5 300 r/min

Minimum load factorkr

0.025

Calculation factorf0

15.8

Mass

Mass bearing

1.65 kg

Included products

Snap ring

SP 160

Tolerance class

Dimensional tolerances

P6

Radial run-out

Normal

recently added Bearing

Title

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