NAK Needle Roller Bearings Rnav4922-4930, High-Load, Low-Friction
Basic Info
| Inner Diameter | 125 mm |
|---|---|
| Outer Diameter | 150 mm |
| Thickness | 40 mm |
| Type | Needle Roller Bearing, Closed, Radial Bearing |
| Material | Bearing Steel |
| Lubrication | Grease or Oil |
Introduction
RNAV4922 is a high-precision needle roller bearing without inner/outer rings, designed for radial load applications. Compact (125×150×40 mm), durable, and compatible with grease or oil lubrication. Available in precision grades P0–P2 and clearances C0–C4. Made in China, OEM/ODM supported.
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Description
Key Specifications & Advantages of SKF-Grade RNAV49 Series Needle Roller Bearings
| Description | Core Value |
|---|---|
| Model Range | RNAV4922–RNAV4930 (interchangeable with SKF NKI/NKI…Z, NA49xx) |
| Design | Drawn cup, no inner/outer ring — saves space, maximizes load capacity per mm² |
| Material & Hardness | High-carbon chromium bearing steel (GCR15), 58–62 HRC — superior wear resistance |
| Precision & Clearance | P0/P6 accuracy + C0/C3 radial clearance — ensures smooth high-RPM operation |
| Lubrication | Pre-greased (lithium complex) or oil-compatible — low maintenance, extended service life |
| Load Capacity | Radial dynamic load up to 125 kN (RNAV4930) — ideal for compact transmission & gearbox hubs |
| Applications | Automotive CV joints, industrial pumps, agricultural gearboxes, robotics actuators |
| Quality Assurance | 100% dimensional inspection, noise testing, ISO 9001 & IATF 16949 certified production |
| SKF Compatibility | Exact dimensional & performance match — direct OEM replacement, no redesign needed |
| FAQ: Why choose BDL RNAV49 over generic brands? | Tighter tolerance control (±0.005 mm on cup OD), higher needle density (+8%), and consistent heat treatment — proven 30% longer L10 life in field tests |
Ready to source genuine SKF-compatible needle bearings with fast lead time (3–7 days) and OEM/ODM support? Contact us now for a technical datasheet and volume pricing — your inquiry receives a response within 2 business hours.
