Four-Point Contact and Cross Roller Slewing Bearing
Showtime Packing Co., Ltd / 2022-06-08
- Standard or Nonstandard：Standard
- Roller Type：Straight Raceway
- Material：42CrMo
- Type：External Gear
- Holding Torque：43kn.M
- Tilting Moment Torque：54.3kn.M
=== Base Info ===
- Model NO.：SF12-2
- Output Torque：15.6kn.M
- Gear Ratio：78:1
- Static Axial Load：475kn.M
- Static Radial Laod：190kn.M
- Dynamic Axial Load：114kn.M
- Dynamic Radial Load：100kn.M
- Inner Dia.：265mm
- Outer Dia.：450mm
- Transport Package：Standard Exporting Package
- Specification：SF12-2
- Trademark：Coresun Drive
- Origin：Changzhou
- HS Code：8482109000
- Production Capacity：6000PCS,Month
=== Description ===
Model
SF12
Place of Origin
Changzhou,China
Brand
Coresun Drive
Type
Material
42CrMo
Output Torque
15.6KN.m
Tilting Moment Torque
135.6KN.m
Holding Torque
43K N.m
Static Axial Rating
475KN
Static Radial Rating
190KN
Dynamic Axial Rating
114KN
Dynamic Radial Rating
100KN
Gear Ratio
78:1
Ourter Dia.
450mm
single row four point contact ball slewing rings is composed of two seat rings, which design in compact structure and light weight, steel ball contact with the circular raceway at four points; it can bear the axial force, radial force and the tilting moment at the same time. Coresun drive Single-row four point contact ball ring has the features of compact in design, and light in weight. The balls roll on the circular race at four points, so it can undertake the axial force, radial force and tipping moment at the same time. This series of four point contact ball bearings are suitable in many engineering machinery, such as rotary conveyor welding operation machine, small cranes, small and medium-sized excavators,slewing conveyer, welding manipulator, light and medium duty crane, and other construction machinery.
Three types of this kind of single row four point contact ball slewing bearing:
A. Without gear bearing (non tooth)
B. External gear bearing (external tooth)
C. Internal gear bearing (internal tooth)
double row different diameter ball slewing bearing is mainly made up of in-up ring, in-down ring and outside ring, so balls and spacers can be directly discharged into the upper and lower raceway. According to stress conditions, bearings are arranged to two rows of balls of different diameter. This assembly is very convenient. Angle of both upper and lower raceway is 90°so bearings can bear large axial force and resultant torque. Bearing needs special design when radial force is 0.1 times larger than the axial force. Large in sizes and features compact in design, bearings are particularly application in handling equipments requiring medium above diameter, such as tower crane and mobile crane.
single row cross roller slewing ring is mainly made up of inside and outside rings. It features compact in design, light in weight, small in assembling clearance, and high in installing precision. As the rollers are crossed arranged by 1:1, it is suitable for high precision mounting and capable to bear axial force, radial force and resultant torque simultaneously. This series single row crossed roller slewing bearing have widely application in lift transport aircraft, construction machinery, and military products.
Production Photo and Application
Coresun Drive makes the tilting moment torque testing to ensure the quality and safety factor on slewing bearing bearing.
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