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调心球轴承 调心球轴承

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1321-M_Self-aligning Ball Bearings

Main Dimensions & Performance Data

d

105 mm

D

225 mm

B

49 mm

Cr

158000 N

Cor

64000 N

Cur

3150 N

Reference speed

3750 rpm

Limiting speed

4450 rpm

Mounting dimensions

da min

119 mm Shaft shoulder minimum diameter

r min

3 mm Minimum chamfer size

D1

190.5 mm Inner ring rib diameter

Da max

211 mm Maximum diameter of housing shoulder

d1

143.2 mm Inner ring rib diameter

ra max

2.5 mm Maximum pocket radius

C1

2.5 mm Roller protrusion

Temperature range

T min

-30 °C Minimum operating temperature

T max

150 °C Maximum operating temperature

Calculation coefficient

e

0.23 Fa\/Fr corresponds to different X and Y coefficients

Y1

2.74 Axial dynamic load factor

Y2

4.25 Axial dynamic load factor

Y0

2.88 Axial static load factor

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