Deep groove ball bearings
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307-Z-Single row deep groove ball bearing with ball loading notch
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Main Dimensions & Performance Data

Model

307-Z

with stop ring

307-ZNR

Stop ring

SP80

d

35 mm

od

80 mm

B

21 mm

C

34.7 kN

C0

26.5 kN

Pu

1.12 Pu

reference speed

16000 r/min

limit speed

9500 r/min

weight

0.48 kg
Mounting dimensions

d1(mm)

49.5

D2 (mm)

69.2

D3

76.81

D4

86.6

b

1.9

b

1.7

C

3.28

r 1,2 min

1.5

r0 max

0.6

da min (mm)

44

da max

49.4

D a max

71

Db min

88

ba min

2.2

Ca max

4.98

ra max (mm)

1.5

kr

0.05