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Needle roller bearing-cylindrical roller bearing ZARF and ZARF...L
Needle roller bearing-cylindrical roller bearing ZARF and ZARF...L

Minimum Order: 0
Quality/Safety Certification: 0.00


Axial cylindrical roller and radial needle roller bearing. Double direction thrust bearing

Standaid grade bearings

For all bearings supplied, the dimensional tolerances and geometric precision are in compliance with DIN620 and the tolerance grade of P0 with normal radical gap CO. The only exception is NKIB series which have narrower inner aperture with bigger tolerance so that they can be used with the shaft with K5 tolerance in transit combination.

 

Table 1 shows the tolerances applicable to the fitting for general purposes:

Series

 Shaft tolerances

Housing tolerances

With out inner rings

With inner rings

Needle roller-angular contact ball bearings

-

k6

 

Needle roller-angular contact ball bearings

Needle roller-trust ball bearings

k6

k6

K6

M6(Rigid support)

Needle roller-trust ball bearings

k6

k6

K6

M6(Rigid support)

Needle roller-cylindrical roller trust bearings

k6

k6

K6

M6(Rigid support)

Needle roller-deep groove ball bearings

-

k6

M6

Needle roller-trust needle roller trust bearings

 

 

 

Needle roller-cylindrical roller trust bearings

 

 

 

Needle roller-cylindrical roller trust bearings

 

 

 

Needle roller-cylindrical roller trust bearings

-

h5

J6

Needle roller-cylindrical roller trust bearings

 

h5

J6

 

1) In bearing hole, the diameter of the thrust bearings must be 0.5mm bigger than nominal diameter D1 or D2 to avoid interference combination.

2) To ensure normal functions, no closer combination than k5 shaft and M6 hole should be used

 

Special requirements

If the bearings combination is of high precision, the listed bearings in compliance DIN 620 P6 AND P5 grades tolerances can be supplied.

For NKIA and NKIB series bearings, only the bearings with initial radical gap between C2 to C3 can be supplied.

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