130 Ton Crane Slewing Bearing Assembly Slewing Ring Rks. 162.14.1094 Size 1164*984*56mm
Single row cross roller slewing bearing
Composed of two or three rings. compact structure, light weight, high manufacturing accuracy, small assembly gap and high requirement for installation accuracy. Rollers are 1:1 cross-arranged.
Can be bear axial force, overturning moment and large radial force at the same time,and widely used in lifting transportation, construction machinery and precesion products.
Technical Specifications
• Bearing Type: Single-row crossed roller bearing with precision internal gear
• Gear Configuration:
Internal spur gear with 20° pressure angle (standard)
Module range: 3-10mm
Tooth hardness: 58-62 HRC (case hardened)
• Load Capacity:Dynamic axial load: Up to 550 kN (size dependent)
Moment stiffness: 12-25 kNm/mrad
• Accuracy Class: ABEC 3/P4 standard (higher grades available)
Design Features
Integrated Gear-Bearing System:
Monolithic construction with internal gear teeth
Precision ground tooth profile (DIN 6-7 accuracy)
Optimized tooth root geometry for strength
Crossed Roller Design:
Alternating 90° roller arrangement
Precisely controlled roller spacing (±0.01mm)
Special crowning profile to reduce edge stresses
Advanced Surface Engineering:
Raceway superfinishing (Ra ≤ 0.05μm)
Optional gear tooth coatings (DLC, WS2)
Corrosion-resistant treatments available
Performance Characteristics
• Rotational Accuracy: • Friction Performance:
Starting torque: 0.8-4 Nm
Running friction coefficient: 0.0012-0.0025
• Stiffness Properties:Axial stiffness: 700-2200 N/μm
Radial stiffness: 450-1800 N/μm
Material Specifications
• Base Material: High-carbon chromium steel (100Cr6)
• Gear Material: Case-hardened bearing steel (58-62 HRC)
• Special Options:
Stainless steel variants
Custom material solutions
Configuration Options
• Sealing Solutions:
Labyrinth seals (standard)
Triple-lip contact seals
• Lubrication Systems:Grease lubrication (standard)
Oil circulation options
Centralized lubrication provisions
Technical Advantages
Space Efficiency:
35% more compact than separate bearing/gear assemblies
Reduced system weight and complexity
Load Handling:
Simultaneous support for radial, axial and moment loads
45% higher moment capacity than standard designs
Precision Performance:
Minimal backlash (
Repeatable positioning accuracy
Application Examples
• Precision rotary tables
• Industrial robot joints
• Medical imaging equipment
• Telescope mounting systems
• Radar positioning devices
Engineering Support
Available technical documentation includes:
• Complete load rating tables
• Gear tooth strength calculations
• Mounting surface specifications
• Lubrication recommendations
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