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21310 E

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21310 E

Spherical roller bearing with relubrication features
Spherical roller bearings can accommodate heavy loads in both directions. They are self-aligning and accommodate misalignment and shaft deflections, with virtually no increase in friction or temperature. The design includes features to facilitate relubrication. The bearings can be used in a modular system, including housings, sleeves and nuts.

  • Accommodate misalignment
  • High load carrying capacity
  • Relubrication features
  • Low friction and long service life
  • Increased wear resistance

Description

Display in:

SKF performance class

SKF Explorer

Bore type

Cylindrical

Dimensions - 21310 E

Dimensions

d

50 mm

Bore diameter
D

110 mm

Outside diameter
B

27 mm

Width
d2

≈ 72.7 mm

Shoulder diameter of inner ring
D1

≈ 96.8 mm

Shoulder/recess diameter of outer ring
b

6 mm

Width of lubrication groove
K

3 mm

Diameter of lubrication hole
r1,2

min. 2 mm

Chamfer dimension

Abutment dimensions - 21310 E

Abutment dimensions

da

min. 61 mm

Diameter of shaft abutment
Da

max. 99 mm

Diameter of housing abutment
ra

max. 2 mm

Radius of fillet

Calculation data

Basic dynamic load ratingC

159 kN

Basic static load ratingC0

166 kN

Fatigue load limitPu

18.6 kN

Reference speed

5 600 r/min

Limiting speed

7 500 r/min

Limiting valuee

0.24

Calculation factorY1

2.8

Calculation factorY2

4.2

Calculation factorY0

2.8

Mass

Mass

1.3 kg

Tolerance class

Dimensional tolerances

Normal

Radial run-out

P5

recently added Bearing

Title

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