Slewing Bearing With Pinion
2. Product Structure: Crossed roller bearing, featuring rollers arranged at 90° in a V-shaped raceway.
3. Dimensions: 140*270*35mm/320*450*38mm
Custom sizes are available to meet specific size requirements.
4. Materials: Ring Material: High-strength alloy steels such as 50Mn and 42CrMo
Rolling Elements: Balls or rollers made of GCr15SiMn bearing steel
Seal Material: Oil-resistant and wear-resistant nitrile rubber
5. Applications:
Engineering Machinery: Shipborne observation systems, marine exploration equipment, and specialized marine equipment
- Product Description
Slewing Bearing with Pinion – Precision Engineered for Demanding Applications
When your equipment demands precise rotational control combined with reliable load capacity, a Slewing Bearing With Pinion delivers the integrated solution you need. This rotating support system combines a high-precision bearing structure with an integral Gear mechanism, enabling smooth, controlled rotation under heavy loads. Whether you're operating marine observation platforms, construction cranes, or automated machinery, our product provides the accuracy and durability required for continuous operation in challenging environments. Designed for applications requiring both rotational movement and torque transmission, these bearings handle axial, radial, and moment loads simultaneously while maintaining tight positioning tolerances.
Product Details
Our item highlights a crossed roller plan, where round and hollow rollers are orchestrated at 90° inside V-shaped raceways. This setup gives uncommon unbending nature and stack capacity in a compact profile. The necessarily pinion adapt empowers coordinate drive association, disentangling your framework plan whereas lessening backfire and making strides positional exactness.
Key Construction Elements:
· Bearing rings:Manufactured from 50Mn or 42CrMo high-strength alloy steel for superior load capacity
· Rolling elements:GCr15SiMn bearing steel rollers with precision grinding
· Gear teeth:Ground tooth surfaces for smooth, quiet transmission
· Surface treatment:Black oxidation coating providing over 1000 hours salt spray corrosion resistance
· Sealing system:Nitrile rubber seals offering oil resistance and wear protection
The crossed roller arrangement maximizes contact area while minimizing bearing height. This allows your equipment to achieve precise rotational positioning with minimal deflection.
Why Choose Us?
Luoyang Heng Guan Bearing Technology brings over 20 years of bearing manufacturing expertise to your project. Our facility in Luoyang—China's bearing industry hub—combines traditional engineering knowledge with modern production capabilities.
Our Capabilities:
· Production range:50mm to 10,000mm diameter bearings
· Precision grades:P0, P6, P5, and P4 standard grades; P2 ultra-high precision available
· Manufacturing equipment:CNC vertical lathes, CNC quenching machines, CNC gear shapers, machining centers, and gear hobbing machines
· Customization services:Technical consultation, product design, old product reverse engineering, and non-standard custom solutions
· Quality certification:ISO 9001 certified with RoHS compliance
· Global reach:Products exported to over 50 countries across North America, Europe, Middle East, and Asia-Pacific regions
Our engineering team of 50+ specialists works directly with you to match bearing specifications to your application requirements.




Technical Specifications
Parameter | Option 1 | Option 2 | Notes |
Outer Diameter | 270 mm | 450 mm | Custom sizes available |
Inner Diameter | 140 mm | 320 mm | Application-specific |
Height | 35 mm | 38 mm | Compact design |
Precision Grade | P2 | P2 | Ultra-high precision |
Gear Processing | Ground teeth | Ground teeth | Low noise operation |
Ring Material | 50Mn / 42CrMo | 50Mn / 42CrMo | High-strength alloy steel |
Roller Material | GCr15SiMn | GCr15SiMn | Bearing-grade steel |
Surface Treatment | Black oxidation | Black oxidation | Corrosion resistant |
Seal Material | Nitrile rubber | Nitrile rubber | Oil and wear resistant |
Positioning Accuracy | ≤±0.001° | ≤±0.001° | Micron-level control |
Salt Spray Resistance | >1000 hours | >1000 hours | Marine environment qualified |
Features and Benefits
Ground Gear Teeth
Unlike standard cut gears, our Slewing Bearing With Pinion tooth surfaces undergo precision grinding. This reduces transmission error and vibration, giving you smoother rotation and quieter operation—essential for precision instruments and observation equipment.
Dark Oxidation Coating
The specialized surface treatment shapes a defensive oxide layer that stands up to saltwater erosion without including dimensional thickness. Your bearing keeps up its exactness whereas withstanding unforgiving marine environments.
Crossed Roller Configuration
The 90° roller course of action gives rise to stack capacity in all bearings. You get steady revolution without the bearing diversion common in single-direction plans, keeping up your equipment's exactness all through its run of motion.
Micron-Level Positioning
P2-grade fabricating resistances provide situating exactness inside ±0.001°. This accuracy empowers your frameworks to accomplish solid repeatability in focusing on, arrangement, and estimation applications.
Compact Coordinates Design
The pinion coordinates specifically into the bearing ring disposes of isolated adapt mounting. This diminishes your get together complexity, spares establishment space, and moves forward by and large framework stiffness.
Applications
Marine Perception Systems
Shipborne cameras, radar units, and route gear require exact pan-tilt control in destructive situations. Our orientation give the precision and climate resistance these frameworks demand.
Construction Equipment
Mobile cranes, concrete pumps, and fabric handlers advantage from dependable slewing revolution. The coordinates pinion disentangles drive framework plan whereas dealing with combined loads.
Renewable Energy
Solar trackers and little wind turbines utilize these heading for azimuth control. The moo contact plan decreases drive control prerequisites whereas keeping up situating accuracy.
Automated Machinery
Robotic arms, turntables, and situating stages pick up from the compact plan and tall inflexibility. Exact equip transmission empowers precise movement control.
Specialized Equipment
Marine investigation gadgets, welding positioners, and custom apparatus applications utilize our building bolster and customization capabilities.
Testing & Certification
Our Slewing Bearing With Pinion items experience comprehensive testing counting vibration examination, stack testing, and perseverance trials. Each bearing meets worldwide benchmarks counting ISO, Noise, and GB details. Quality control measures guarantee steady execution over all generation runs.

Installation Guide
1. Surface Preparation:Clean mounting surfaces and verify flatness within specified tolerances. Remove any protective coatings from the bearing.
2. Alignment Check:Position the bearing on the base plate and verify concentricity before securing. Check that mounting holes align properly.
3. Bolt Installation:Install mounting bolts in a star pattern, gradually tightening to specified torque values. Avoid over-tightening which can deform the rings.
4. Gear Mesh Verification:If using external drive pinion, check tooth contact pattern and backlash. Adjust mounting position if needed to achieve proper mesh.
5. Lubrication:Apply specified grease through lubrication fittings. Rotate the bearing several times to distribute lubricant evenly.
6. Functional Test:Perform rotation test without load to verify smooth operation. Check for any binding or unusual resistance.



Exhibition
We attend many famous international exhibitions such as Shanghai International Maritime Exhibition,Mining World Russia, bauma China, CTT Russia, etc


Partners
Your trust, we cherish in heart all times and will reciprocate that trust with unwavering quality.

Packaging & shipping
Your goods are unique, and their journey should be flawless. Therefore, we offer professional and customized packaging services. Our experienced team will evaluate your goods' characteristics, transportation route, and environmental requirements to recommend the most secure solution, such as: wooden crate packaging, sturdy frame packaging, or composite reinforced packaging (wooden crate + iron frame).



Maintenance and Care
Customary Lubrication
Relubricate each 200-500 working hours depending on stack and environment. Utilize high-quality lithium-based oil appropriate for your temperature range.
Seal Inspection
Check seals quarterly for harm or wear. Supplant if you take note grease spillage or defilement ingress.
Bolt Pressure Check
Verify mounting jolt torque each six months. Retighten if fundamental to keep up appropriate preload and avoid fretting.
Gear Condition Monitoring
Inspect tooth surfaces yearly for wear designs. Irregular wear shows misalignment or oil issues requiring attention.
Operating Environment
In destructive or high-humidity situations, increment assessment recurrence. Clean outside surfaces to anticipate defilement buildup.
FAQ
Q: What breadth extend can you manufacture?
A: We deliver slewing heading from 50mm to 10,000mm distance across. For exceptionally expansive sizes, we can give sectioned plans for less demanding transport and installation.
Q: Can you customize the adapt module or tooth count?
A: Yes, we offer total customization of equip determinations. Give your required proportion and our engineers will plan the ideal configuration.
Q: What exactness review ought to I choose?
A: P0 review suits common mechanical applications. P6/P5 work for exactness apparatus. P4 and P2 grades are saved for rebellious requiring extraordinary accuracy.
Q: How do I decide the required bearing size?
A: Share your stack values (pivotal, spiral, and minute), turn speed, and establishment space. Our building group will suggest fitting specifications.
Q: What lead time ought to I expect?
A: Standard sizes regularly dispatch inside 3-4 weeks. Custom heading require 6-8 weeks depending on complexity. Contact Us for particular venture timelines.
Q: Do you give establishment support?
A: Yes, we offer establishment direction documentation and can give on-site specialized back for huge ventures.
Contact Us
Ready to discuss your application requirements? Our engineering team is here to help you select the right Slewing Bearing With Pinion solution. Reach out to us at mia@hgb-bearing.com for technical consultation and quotations.
Luoyang Heng Guan Bearing Technology Co., Ltd. – Engineering precision into every rotation.












