NSK, NACHI, Koyo, NTN, Timken Lightweight Rb20030 | RFQ Sourcing Details
Robotic Welding Cells · Quote on request
This is a product procurement detail page: check specs, images, category context and related sourcing paths before sending an RFQ.
Product specs
Buyer's Digest
Use this page as a product-first sourcing checkpoint before sending an RFQ. Category: Robotic Welding Cells. Confirm application fit, capacity, materials, destination, lead time and compliance requirements before comparing suppliers.
Original product description
: Engineered for high-load industrial automation, the RB12025 RB14025 RB15025 RB20030 series crossed roller bearings are built for systems that demand both high capacity and sub-micron positioning accuracy.
These bearings are widely utilized in large-scale robotic welding , semiconductor manufacturing equipment, and heavy-duty rotary worktables. The separable outer ring design allows for precise preload adjustment during assembly, ensuring that the bearing operates with zero clearance for maximum system stiffness.
Our manufacturing process involves multiple stages of precision honing, resulting in a raceway finish that significantly reduces rolling resistance and heat generation. This is crucial for maintaining the accuracy of automated production lines during continuous duty cycles.
We use premium-grade GCr15 bearing steel, ensuring that the rollers and raceways possess the necessary hardness to resist wear and impact. The RB series' ability to handle combined radial, axial, and moment loads makes it an extremely versatile component for modern machine design.
Each bearing is individually serialized and comes with a quality inspection report, giving our global customers the confidence that their automation hardware is supported by the highest standards of Chinese precision manufacturing.
Specification Type Boundary dimensions (mm) Mounting hole dimensions (mm) Inner diameter Outer diameter Width Outer ring d D B PCD1 Mounting hole XRU -φ3.4 through hole, φ6.5 counter hole depth 3.3 XRU -φ3.4 through hole, φ6.5 counter hole depth 3.3 XRU -φ3.4 through hole, φ6.5 counter hole depth 3.3 XRU -φ4.5 through hole, φ8 counter hole depth 4.4 XRU -φ5.5 through hole, φ9.5 counter hole depth 5.4 XRU -φ5.5through hole, φ9.5 counter hole depth 5.4 XRU8022G -φ5.5through hole, φ9.5 counter hole depth 5.4 XRU8022X -φ5.5through hole, φ9.5 counter hole depth 5.4 XRU -φ9 through hole, φ14 counter hole depth 8.6 XRU9025G -φ9 through hole, φ14 counter hole depth 8.6 XRU9025X -φ9 through hole, φ14 counter hole depth 8.6 XRU -φ9 through hole, φ14 counter hole depth 8.6 XRU11528G -φ9 through hole, φ14 counter hole depth 8.6 XRU11528X -φ9 through hole, φ14 counter hole depth 8.6 XRU -φ11 through hole, φ17.5 counter hole depth 10.8 XRU16035G -φ11 through hole, φ17.5 counter hole depth 10.8 XRU16035X -φ11 through hole, φ17.5 counter hole depth 10.8 XRU -φ14 through hole, φ20 counter hole depth13 XRU21040G -φ14 through hole, φ20 counter hole depth13 XRU21040X -φ14 through hole, φ20 counter hole depth13 XRU -φ14 through hole, φ20 counter hole depth 13 XRU35045G -φ14 through hole, φ20 counter hole depth 13 XRU35045X -φ14 through hole, φ20 counter hole depth 13 Mounting hole dimensions (mm) Rated loading (kN) weight equivalent Inner ring PCD2 Mounting hole C Co kg THK IKO 16 4-M CRBF108AT 28 6-M RU42 CRBF2012AT 35 6-M CRBF2512AT 45 8-M RU66 CRBF3515AT 65 8-M RU85 CRBF5515AT 97 10-φ5.5 through hole, φ9.5 counter hole depth RU124 CRBF8022A 97 10-φ5.5 through hole, φ9.5 counter hole depth RU124G CRBF8022AD 97 10-M RU124X CRBF8022AT 112 12-φ9 through hole, φ14 counter hole depth RU -φ9 through hole, φ14 counter hole depth RU148G 112 12-M RU148X 139 12-φ9 through hole, φ14 counter hole depth RU -φ9 through hole, φ14 counter hole depth RU178G 139 12-M RU178X 184 12-φ11 through hole, φ17.5 counter hole depth 10.8 1
NSK | Applications and Buyer Notes
NSK is organized as a sourcing-ready Robotic Welding reference. The page combines visible product or company data with structured procurement cues so buyers can compare application fit, specifications, quantity, quality requirements and lead-time questions bef
Applications
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- Specification and application fit review before bulk purchasing.
- Category, keyword and detail-page comparison before sending an RFQ.
Key specifications
- Category
- Robotic WeldingBased on visible page data; confirm exact value in the RFQ.
- Unit
- setBased on visible page data; confirm exact value in the RFQ.
- Specification
- Type Boundary dimensions (mm) Mounting hole dimensions (mm) InnerBased on visible page data; confirm exact value in the RFQ.
- diameter
- OuterBased on visible page data; confirm exact value in the RFQ.
- precision
- manufacturingBased on visible page data; confirm exact value in the RFQ.
Buyer tips
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- Add certification, material or inspection standards when they affect acceptance.
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FAQ
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Confirm application, specification, quantity, destination and lead-time requirements before comparing offers.
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Yes. Add model, material, size, use case and inspection needs in the RFQ to make replies comparable.
How should this listing be evaluated?
Check title, category, specifications and related keywords against the actual sourcing requirement.
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Key specifications
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