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球面滚子轴承 球面滚子轴承

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21308-E1-XL-K_Spherical Roller Bearings

Main Dimensions & Performance Data

d

40 mm

D

90 mm

B

23 mm

Cr

109000 N

Cor

107000 N

Cur

14600 N

Reference speed

5200 rpm

Limiting speed

9800 rpm

Mounting dimensions

da min

49 mm Shaft shoulder minimum diameter

r min

1.5 mm Minimum chamfer size

D1

80.8 mm Outer ring inner diameter

da max

59 mm Shaft shoulder maximum diameter

Da max

81 mm Maximum diameter of housing shoulder

d2

59.9 mm Inner ring raceway diameter

ds

3.2 mm Lubrication hole diameter

ra max

1.5 mm Maximum pocket radius

db min

44 mm The minimum cavity diameter of the bushing

ns

4.8 mm Lubrication groove width

Ba min

5 mm Bushing minimum cavity width

Temperature range

T min

-30 °C Minimum operating temperature

T max

200 °C Maximum operating temperature

Calculation coefficient

e

0.23 Fa/Fr corresponds to different X and Y coefficients

Y1

2.95 Axial dynamic load factor

Y2

4.4 Axial dynamic load factor

Y0

2.89 Axial static load factor

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