/ Single row roller slewing bearings

Ru Cross Roller Bearing Wholesale

1.Product Introduction: Supplying RU series crossed roller bearings in batches (the industry's common precision series), supporting customization, suitable for manufacturers' bulk purchases, including spot goods and customized services.
2.Wholesale Structure: Spot stocks of common specifications from RU80 to RU500 are available. For customization, orders start from 10 pieces (delivery period: 7 - 15 days). They are packaged with independent anti-rust packaging, accompanied by precision inspection reports, and support partial deliveries.
3.Conventional Wholesale Size Range: Outer ring diameter: 80 - 800mm (RU series standard size), inner ring diameter: 60 - 750mm, height: 15 - 60mm.
4.Material: Inner ring / outer ring: 50Mn, 42CrMo; rolling elements: GCr15 bearing steel, GCr15SiMn (optional for impact resistance); seals: nitrile rubber, fluororubber (optional for oil and high temperature resistance).
5.Application Fields: Precision machine tool manufacturers (bulk purchases), robot production enterprises, automated equipment manufacturers, medical device factories.
6.Key Inspection Items: Batch sampling for dimensional consistency, radial accuracy, no scratches or rust on the appearance.
Product Description
Data Sheet

High-Precision Ru Cross Roller Bearing Wholesale for Heavy-Duty Industrial Applications – Customized & Delivered in 15–20 Days

30+ Years OEM Supplier of RU Cross Roller Bearings with P4-Grade Precision, 150°C High-Temperature Resistance, and IoT-Driven Lifecycle Support.

Why Choose Us?

If you're sourcing RU Cross Roller Bearing Wholesale options for robotics, medical imaging, or heavy machinery, you need a partner who combines precision engineering with rapid delivery. At LUOYANG INNO BEARING CO., LTD, we’ve delivered over 5 million cross roller bearings globally since 1993, specializing in both standard (OD: φ80–φ800mm) and custom designs up to φ5000mm. Our bearings maintain P4-grade radial accuracy even under 100kN loads, backed by ISO 9001 and industry-specific certifications like FDA and AS9100.

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Product Overview

RU cross roller bearings excel in applications demanding high rigidity and compact designs. Unlike conventional bearings, their X-shaped roller arrangement distributes loads evenly, making them ideal for:

  • Medical Equipment: MRI scanner rotation systems requiring <35dB noise levels.
  • Industrial Robots: Articulated joints needing ±0.0025mm runout accuracy.
  • Port Cranes: Slewing mechanisms with 500°C thermal resistance.

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Key Parameters

Model OD Range Load Capacity Precision Grade Temperature Range
RU80 80–150mm 25kN/35kN ABEC-7 (P4) -30°C to +150°C
RU500 500–800mm 120kN/150kN ABEC-7 (P4) -60°C to +150°C

5 Reasons to Partner with Us for Your RU Bearing Needs

1. Material Mastery for Extreme Conditions

We use vacuum-degassed GCr15 steel (HRC 60-64 hardness) and fluorocarbon seals to withstand:

  • High Temperatures: 150°C stable operation via proprietary heat treatment.

  • Corrosive Environments: Salt spray resistance exceeding 720 hours (ASTM B117).

  • Heavy Impacts: Hybrid ceramic rollers available for shock loads up to 200kN.

2. Customization Without Compromise

Need a Ru Cross Roller Bearing Wholesale φ3000mm bearing with flange mounts? Our modular design system handles:

  • Non-Standard Sizes: Up to φ5000mm OD, delivered in 15–20 days.

  • Special Materials: Stainless steel (SUS440C) for medical sterilization.

  • Smart Features: Integrated IoT sensors for real-time wear monitoring.

3. Quality Built into Every Step

Our 3-stage QC process eliminates defects:

1. Material Checks: Spectral analysis to ensure ≤0.002% impurities.

2. In-Process Controls: Laser scanning for ±0.001mm dimensional accuracy.

3. Final Validation: 100% tested for vibration (ISO 15242-1) and noise.

4. Faster Delivery, Lower Inventory Costs

  • Standard Bearings: 1,000+ SKUs available in 48 hours.

  • Bulk Orders: MOQ 10 pieces for customs, partial shipments supported.

  • Regional Warehouses: Reduce lead times for EU, NA, and Asian clients.

5. Lifetime Support Beyond Delivery

Our engineers provide:

  • Predictive Maintenance: AI-driven alerts before bearing wear impacts operations.
  • Legacy Upgrades: Retrofit kits for older machinery needing modern precision.
  • 24/7 Troubleshooting: On-call support for urgent breakdowns.

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FAQ

Q1: Can you match unique specs like φ3000mm OD or P4-grade precision?

Absolutely! 95% of non-standard requests are finalized within 72 hours using our modular design templates.

Q2: How do you ensure consistency in bulk orders?

Dedicated production lines with digital twin verification ensure ≤0.003mm batch-to-batch variation.

Q3: What certifications come with your RU Cross Roller Bearings?

All bearings include material test reports. Optional certifications: CE, FDA, AS9100, DNV-GL.

Q4: Do you offer discounts for 500+ piece orders?

Yes – contact us for volume pricing, especially for φ500-2000mm standard sizes.

Q5: Can I get CAD models for custom designs?

We provide STEP, IGES, and SolidWorks files within 24 hours of order confirmation.

Contact Us

Need a Reliable RU Cross Roller Bearing Wholesale Partner?

📧 Email engineers now: sales@inno-bearing.com

➤ Fast Response: Get technical specifications within 2 hours.

➤ Free Sample: Test a bearing in your application risk-free.

➤ Live Inventory Check: Confirm stock levels in real-time.

Optimize Your Bearing Performance Today!

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