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Slewing Bearing
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Xuzhou Shambon Machinery CO.,LTD
Add:Tongshan High-tech Development Zone, Xuzhou, Jiangsu Province, China.
Tel:+86-516-83406186
Fax:+86-516-80296010
E-Mail:info@xzshangbang.com

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The slewing bearing numbering
Source :    Publication date: 2014/3/12    Read the number: 1282

The slewing bearing numbering
 
JB/T2300-1999 basic parameter (01 type)
Slewing Bearing code methodology
 ① --Type of Slewing Bearing:
0- ball Slewing Bearing
1- roller Slewing Bearing
②-Structure type of raceway
1-Single-Row Crossed Roller Type,Single-Row Four Point Contact Ball Type
2-Double-Row Different Ball Type
3-Three-Row Roller Type
③-Transmission Type:
0---no teeth
1---involute column outer teeth & smaller module;
2---involute column outer teeth & bigger module;
3---involute column inner teeth & smaller module;
4---involute column inner teeth & bigger module;
④-diameter of the rolling object (ball or roller)( mm)
⑤-centering diameter of raceway( mm)
For Example:
This code show:
The Slewing Bearing is of Single-Row Four Point Contact Ball Internal- teeth type, with the diameter of the ball 50 mm, the centering diameter of  raceway 1400mm.
Note:
1.Choose the type of slewing bearing, please refer to "Selection of the calculation"
2. Installat the slewing bearing, please refer to "Installmeat and maintain instruction"
3. The specifications of the catalogue are all standard product, inner/outer ring and the machine have the mating rabbet requirement,please give clear indication in the contract. If need the non-standard products, please contact with our company at any time.
 JJ36-91 basic parameter (01 type)
一、Single-row ball type(JJ36-91)

⑴--structure type of Slewing bearing Q: Single-Row Ball Type
⑵--Driving type code
W:Outer Teeth Engaged Type,N:Internal Teeth Engaged Type,U:toothless
⑶--Installation Hole Type
A:both rings with mounting holes;
B:both rings with screw holes;
C:outer ring with screw hole, inner ring with mounting hole;
D:outer ring with mounting hole, inner ring with screw hole.
⑷--centering diameter of raceway,mm
⑸---diameter of rolling object,mm
⑹--codes for module of the gear
A:Big module with letter A,Small module without letter A
⑺--Precision Class
G:Precision with G,Common without G
For example::
Slewing bearing is of Single-Row Ball type, with outer teeth and big module, It has outer ring with screw holes, inner ring with installation bolt holes.with centering diameter of rolling race being 1250mm, and the diameter of rolling object 40mm. The code for this type is Slewing bearing QWC1250.40A.
Slewing bearing code Standard (JB2300-78A)
Slewing bearing code Standard (JB2300-78A)
⑴--type of Slewing bearing
HSW:Single-Row Ball Outer-teeth Type
HSN:Single-Row Ball internal-teeth Type 
⑵--centering diameter of raceway(mm)
⑶--diameter of rolling object (mm)
⑷--Gear Module Code
A:big module with A,Small module without letter A
For example:
Slewing bearing is of Single-Row Ball type, with outer teeth and big module, with the centering diameter of raceway 1250mm, and the diameter of rolling object 40mm. The code for this type is Slewing bearing HSW1250.40A JG/T66-1999.






 
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Tel:+86-516-83406186 Fax:+86-516-80296010 E-Mail:info@xzshangbang.com
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