011.30.630 slewing bearing

011.30.630 Slewing Bearing – External Gear Tower Crane Turntable Bearing | 732×528×80mm

Luoyang Heng Guan Bearing Technology Co., Ltd., based in China's bearing industry hub, brings over 30 years of manufacturing excellence to the 011.30.630 Slewing Bearing. This externally geared turntable bearing features a single-row four-point contact ball structure with precise dimensions of 732mm outer diameter, 528mm inner diameter, and 80mm height. The product incorporates a module 6 gear system with 126 teeth, delivering 1,870 KN load rating capacity. Our ISO 9001-certified facility utilizes CNC vertical lathes and induction quenching machines to produce precision-grade bearings (P0 standard, P6/P5 optional) that meet international standards. With products exported to over 50 countries and comprehensive customization services, Heng Guan Bearing provides you with reliable rotating solutions backed by rigorous testing and full traceability.

Technical Specifications

Complete 011.30.630 CAD drawing and 011.30.630 technical drawing available upon request. Our engineering team provides detailed 011.30.630 bolt hole pattern dimensions and 011.30.630 mounting dimensions documentation.

Product Features & External Gear Advantages

① Structural Excellence

The four-point contact ball design simultaneously handles axial forces, radial loads, and tilting moments. This compact cross-section saves valuable installation space in your equipment while maintaining structural integrity under combined loading conditions.

② External Gear Drive Differentiation ★Core Advantage★

· Precision Involute Teeth: Outer ring features standard involute spur gear with module 6 and 126 teeth

· External Pinion Drive: Rotation achieved through external small pinion engagement, ideal for hydraulic motor or electric motor reducer configurations

· Surface Hardened: Gear surfaces undergo induction hardening to 55-62 HRC for wear resistance

· Flexible Drive Integration: Compatible with hydraulic motor/planetary gearbox drive solutions common in construction excavator

③ Material & Heat Treatment

Inner and outer rings utilize 50Mn/42CrMo forged alloy steel. Raceway surfaces receive medium-frequency induction hardening with uniform hardened layer depth. Tempered hardness of 229-269 HB ensures long-term service life even under shock loading conditions.

④ Manufacturing Precision & Quality Control

Every unit undergoes CNC precision machining and 100% non-destructive testing. Our coordinate measuring machines verify 011.30.630 gear tooth profile accuracy, ensuring proper meshing with your drive pinion.

Applications

A) Tower Crane Slewing Mechanism

The 011.30.630 serves as standard configuration for tower crane turntables. The external gear design enables direct engagement with slewing reducer output pinions, particularly suited for inner climbing tower cranes requiring compact rotation space and high torque transmission.

B) Mobile Crane & Crawler Crane

Upper structure rotation in truck-mounted and crawler cranes benefits from the external gear solution paired with hydraulic swing motors plus planetary reducers, achieving high-torque smooth rotation under variable load conditions.

C) Excavator Swing System

Supports excavator upper structure rotation while withstanding excavation impact loads. The robust four-point contact design distributes forces effectively during digging cycles.

D) Additional Industrial Equipment

Ideal for piling rigs, aerial work platforms (AWP), portal harbor cranes, and radar turntables requiring external drive rotation with precise positioning capabilities.

Series Comparison Table – Quick Selection Guide

→ The 012 variant features slightly larger tip diameter and coarser module for applications requiring enhanced torque transmission. Contact Us for 011.30.630 price and comparison guidance.

OEM Replacement & Custom Manufacturing Services

Reverse Engineering & On-Site Measurement

Lacking original drawings? Our engineers travel to your site with precision measurement equipment to capture critical parameters for the 011.30.630 slewing bearing, including gear module, bolt patterns, and mounting dimensions. We provide optimized replacement designs that improve upon original specifications.

Custom Capabilities Include:

· Non-standard 011.30.630 dimensions modification

· Special material upgrades for corrosive environments

· Precision grade enhancement (P6/P5/P4)

· Special sealing configurations for dust-heavy applications

· 011.30.630 CAD model 3D files for integration verification

Manufacturing Equipment

Our facility houses CNC vertical lathes capable of machining slewing bearings from 50mm to 10,000mm diameter, CNC gear shapers for precision tooth profiles, and large-capacity induction hardening systems ensuring consistent 011.30.630 specifications.

FAQ

Q1: Does the 011.30.630 have gear teeth? What type?

A: Yes, it features external gear (outer ring teeth) with standard involute profile. The gear is machined directly onto the outer ring, module 6 with 126 teeth.

Q2: What is the gear module and number of teeth for the 011.30.630?

A: Module m=6, number of teeth Z=126. The tip diameter measures approximately 774mm with 60mm tooth width suitable for standard pinion engagement.

Q3: What pinion gear matches the 011.30.630?

A: Your pinion should be module 6 with appropriate tooth count (typically 12-20 teeth depending on reduction ratio). We can recommend specific configurations based on your motor and reducer specifications.

Q4: What is the difference between 011.30.630 and 010.30.630?

A: The 010 variant has no gear (smooth outer ring), while the 011 features external teeth. Both share identical mounting dimensions and 011.30.630 load capacity ratings, differing only in drive method.

Q5: Can I get a CAD drawing with gear profile for the 011.30.630?

A: Yes, we provide complete 011.30.630 technical drawings including 2D manufacturing prints and 3D STEP/IGES files showing precise gear geometry for your design integration.

Q6: What applications is the 011.30.630 suitable for?

A: Primarily tower cranes, mobile cranes, crawler cranes, excavators, and similar construction equipment requiring external gear drive with moderate load capacity in the 630mm diameter class.

Q7: What is the load capacity rating?

A: The basic load rating is 1,870 KN. Actual service life depends on operating conditions—contact our engineers for L10 life calculations based on your specific loading profile and duty cycle.

Why Choose Heng Guan Bearing as Your 011.30.630 Manufacturer?

As a specialized 011.30.630 supplier factory in China, we offer distinct advantages beyond standard catalogs:

· Fast Response: Standard models ship within 7-15 days; custom projects deliver in 4-6 weeks

· Cost Efficiency: Direct 011.30.630 manufacturer China pricing eliminates middleman markups

· Engineering Support: Free load analysis, pinion selection, and installation guidance

· Quality Traceability: Every bearing tagged with production batch code and test reports

· Global Logistics: Experienced in export documentation and shipping to 50+ countries

Contact Us

Need assistance with selection, custom design, or urgent replacement with 011.30.630 slewing bearing? Our bearing specialists are ready to help:

Email: mia@hgb-bearing.com