Y21963A-SR / Y21963ASR Deep Groove Ball Bearing Engineered for durability and precision, the Y21963A-SR Deep Groove Ball Bearing is a premium replacement and OEM solution for demanding industrial applications. Manufactured by CHINA EVERLASTING PARTS CO., LIMITED, this bearing meets exacting standards for construction machinery, automotive systems, and heavy-duty equipment. It offers exceptional radial load capacity, smooth operation, and extended service life, making it a reliable choice for B2B partners seeking quality components. Key Advantage: Direct cross-reference to SKF 6310C3. Available for OEM & ODM service with competitive MOQ. Technical Specifications Parameter Value Part Number Y21963A-SR / Y21963ASR Part Type Deep Groove Ball Bearing Bore Size (Metric) 50 mm Bore Size (Imperial) 1.969 in Outside Diameter (Metric) 110 mm Outside Diameter (Imperial) 4.331 in MOQ 10 pcs Service OEM & ODM Accepted Cross Reference SKF 6310C3 Features, Advantages, Benefits & Evidence (FABE) Features Precision-ground steel rings and balls for consistent performance. Deep groove raceway design handles both radial and moderate axial loads. SR suffix indicates a Long Life Deep Groove Ball Bearing with enhanced durability. Standard metric and imperial dimensions: Bore 50mm (1.969"), OD 110mm (4.331"). Advantages Superior heat treatment increases fatigue resistance and lifespan. Optimized internal geometry reduces friction and operating temperature. Interchangeable with major brand references like SKF 6310C3, simplifying inventory. Robust construction suitable for harsh environments in Construction Machinery. Benefits Reduce Downtime: Reliable performance decreases unplanned maintenance stops. Cost Savings: Long service life lowers total cost of ownership for your clients. Inventory Flexibility: Use as a direct Replacement Deep Groove Ball Bearing, perfect for retailers and service centers. Customization Potential: Our Deep Groove Ball Bearing OEM Service allows branding and spec adjustments for wholesalers. Evidence Trusted by global distributors and machinery manufacturers. The bearing undergoes rigorous quality control, including vibration analysis and dimensional accuracy checks, ensuring it meets or exceeds industry standards for a Long Life Deep Groove Ball Bearing. What Our B2B Clients Say ★★★★★ "As a heavy equipment wholesaler, we've used their Custom Deep Groove Ball Bearing for 2 years. Quality is consistent, and their OEM service lets us brand with our logo. Reliable partner." - Machinery Parts Global, USA ★★★★★ "We source Construction Machinery Bearings from CHINA EVERLASTING PARTS. The Y21963A-SR performs excellently in conveyor systems. Low failure rate, great value." - EuroTech Industrial Supply, Germany ★★★★★ "Their Replacement Deep Groove Ball Bearing is a perfect match for SKF. Our maintenance clients are satisfied with the lifespan. Smooth ordering process, good support." - Prime Auto Services, Australia Frequently Asked Questions (FAQ) Q: Is this bearing interchangeable with SKF 6310C3? A: Yes, the Y21963A-SR is a direct cross-reference and functional equivalent to the SKF 6310C3 bearing. Q: What is the lead time for OEM orders? A: Typical lead time for Custom Deep Groove Ball Bearing OEM orders is 30-45 days after sample confirmation, depending on quantity. Q: Do you provide samples for B2B buyers? A: Yes, we provide samples for qualified business clients. Contact us to discuss your requirements. Contact Us for OEM & Bulk Quotes We specialize in serving Retailers, Wholesalers, Aftermarket Service Providers, and Filter Shops. Get competitive pricing for bulk and OEM & ODM projects. WhatsApp/WeChat: +86 18965520297 Email: Sales@parts-machining.com Service: OEM & ODM Deep Groove Ball Bearing, Custom Packaging, Branding MOQ: As low as 10 pcs for standard items. CHINA EVERLASTING PARTS CO., LIMITED - Your Professional Partner for High-Quality Industrial Filters and Bearings.