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This standard specifies the value of the contact angle of 35 ? general purpose four-point contact ball bearings (d ≤ 300mm) axial clearance.
This standard applies to the acceptance of the finished bearing bearing factory finished NSK Bearings, inspection and subscribers.
2 reference standards
GB 272 Rolling Code method
Recently GB6930 Rolling
3 Definitions
The standards required by the definition of the axial clearance provisions of 050 803 according to GB6930.
4 axial clearance values
The table below provides the four-point contact value of the axial clearance of FAG Bearings. (um)
5 a sign of the axial clearance
5.1 The methods of marking
Four point contact ball bearing according to the manufacture of the 0 axial clearance in the bearing code label group code for clearance. When using the other set of axial clearance, according to the provisions of GB 272.
Example 5.2 logo
QJ 214: The axial clearance 0 0 tolerance QJ214 bearing.
The QJ 214/P52: axial clearance for the P5 group tolerance QJ214 bearing.
Appendix A
The axial clearance measurement method
(Supplement)
A1 4-point contact ball bearing NSK bearing axial clearance measurement of axial clearance tester.
A2 in the measurement of load measured value of the clearance, increase the amount of axial clearance should be deducted Table A1 rear bearing axial clearance.
Note: (1) table values ??do not include the precision of the instrument error.
② each other in the ring at different axial position of the limit, you should make a circle for another ring and ball group relative to the channel, the real in the limit of axis A3, when different from the requirements of this standard measurement method the instrument measured value should be specified in this standard, the measured clearance values ??controversy.
234407BM 234706BM 234406BM 517/2860V/YA 5610/2500 517/1720X1V 527/1181M 510/1180M 517/930 510/670 590/560 510/500 52780 59080 517/368M 51760U 517/238 6207-2ZN 6206-2ZN 6205-2ZN 6204-2ZN 6203-RZ 6203-2ZN 6202N 6202-2ZN 6201-2ZN 6200ZZ 6200-2ZN 62/32-ZN 62/32-Z 62/32N 62/32-2Z 62/32-2RZ 62/32-2RS 62/28-2RZ 62/22-2RZ 61996 61992 61988 61984
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1 Subject and ScopeThis standard specifies the value of the contact angle of 35 ? general purpose four-point contact ball bearings (d ≤ 300mm) axial clearance.
This standard applies to the acceptance of the finished bearing bearing factory finished NSK Bearings, inspection and subscribers.
2 reference standards
GB 272 Rolling Code method
Recently GB6930 Rolling
3 Definitions
The standards required by the definition of the axial clearance provisions of 050 803 according to GB6930.
4 axial clearance values
The table below provides the four-point contact value of the axial clearance of FAG Bearings. (um)
5 a sign of the axial clearance
5.1 The methods of marking
Four point contact ball bearing according to the manufacture of the 0 axial clearance in the bearing code label group code for clearance. When using the other set of axial clearance, according to the provisions of GB 272.
Example 5.2 logo
QJ 214: The axial clearance 0 0 tolerance QJ214 bearing.
The QJ 214/P52: axial clearance for the P5 group tolerance QJ214 bearing.
Appendix A
The axial clearance measurement method
(Supplement)
A1 4-point contact ball bearing NSK bearing axial clearance measurement of axial clearance tester.
A2 in the measurement of load measured value of the clearance, increase the amount of axial clearance should be deducted Table A1 rear bearing axial clearance.
Note: (1) table values ??do not include the precision of the instrument error.
② each other in the ring at different axial position of the limit, you should make a circle for another ring and ball group relative to the channel, the real in the limit of axis A3, when different from the requirements of this standard measurement method the instrument measured value should be specified in this standard, the measured clearance values ??controversy.
