Chinese Professional Square Bore Bearings - Self-aligning needle roller bearings-PNA Series – Xing Lun

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Chinese Professional Square Bore Bearings - Self-aligning needle roller bearings-PNA Series – Xing Lun Detail:

Spherical roller  bearings  are principally provided with two rows of symmetrical spherical rollers and a common sphere raceway in out ring, the two inner ring raceways are included at an angle to the bearing axial. The bearings have good self-aligning ability and can operate when the shaft deflection under load or the shaft deflection under load or the shaft misaligningment in mounting, and their permissible aligning angle is 1 to 2.5 degree. This type of bearings has heavy load carrying capacity and anti-impact ability, in addition to radial loads, they also can carry axial loads in two directions. In general, this type of bearings permit a low limiting speed.

Boundary dimensions(mm)

Basic load ratings(N)

Limiting speeds(rpm)

Mass(g)

Bearing Number

d

Fw(F)

D

B(C)

D1

S1

Cr

Cor

Oil

(Approx.)

XLB

12

15

28

12

24.5

0.5

4660

5700

24000

37

PNA12/28

15

18

32

16

27

0.5

9800

14000

22000

62

PNA15/32

17

20

35

16

30.5

0.5

10500

15500

21000

73

PNA17/35

20

25

42

20

36.5

0.5

14900

27800

18000

136

PNA20/42

22

28

44

20

38.5

0.5

20500

31900

16000

145

PNA22/44

25

30

47

20

42

0.5

20980

33500

15000

157

PNA25/47

30

35

52

20

47.5

0.5

21500

39600

13000

181

PNA30/52

35

40

55

20

50.5

0.5

24000

44700

11000

177

PNA35/55

40

45

62

20

58

0.5

24800

50900

10000

227

PNA40/62


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Chinese Professional Square Bore Bearings -
 Self-aligning needle roller bearings-PNA Series – Xing Lun detail pictures


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  • Product variety is complete, good quality and inexpensive, the delivery is fast and transport is security, very good, we are happy to cooperate with a reputable company!
    5 Stars By Elma from Georgia - 2017.03.28 16:34
    Factory equipment is advanced in the industry and the product is fine workmanship, moreover the price is very cheap, value for money!
    5 Stars By Ingrid from Egypt - 2017.08.18 18:38
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