Needle Roller Bearing RNAV4903-4907 – High-Load, Precision OEM Replacement
Basic Info.
| Inner Diameter | 22 mm |
| Outer Diameter | 30 mm |
| Thickness | 13 mm |
| Model No. | RNAV4903 |
| Type | Needle Roller Bearing, Closed, Without Outer/Inner Ring |
| Material | Bearing Steel |
Description
High-precision needle roller bearing (RNAV4903) with compact dimensions 22×30×13 mm. Designed for radial load applications, made of high-grade bearing steel. Features closed design, grease/oil lubrication, and standard clearances (C0/C3/C4). Supports OEM/ODM service. Made in China.
Basic Info.
- Bearing Block
- Spherical Plain Bearing
- Alloy Guide Rail
- Cylindrical Roller Bearing
- Linear Bearing
- Angular Contact Ball Bearing
- Needle Bearing
- Spherical Roller Bearing
- Plain Bearing
- Self-Aligning Ball Bearing
- Thrust Needle Roller Bearing
- Thrust Ball Bearing
- Thrust Self-aligning Roller Bearing
- Taper Roller Bearing
- Bearing Accessories
- Deep Groove Ball Bearing
- Thrust Taper Roller Bearing
- Auto Bearing
- Other Car Accessories
- Pillow Block Bearing
Related Products
Basic Info.
| Inner Diameter | 45 mm |
| Outer Diameter | 100 mm |
| Thickness | 32 mm |
| Load Direction | Radial Bearing |
| Type | Closed Needle Roller Bearing |
| Material | Bearing Steel |
High-precision needle roller bearing (Model: NUTR45100), designed for radial loads. Features no inner/outer ring, grease or oil lubrication, and standard clearances (C0/C3/C4). Made in China with OEM/ODM support.
Basic Info.
| Inner Diameter | 120 mm |
| Outer Diameter | 155 mm |
| Thickness | 4 mm |
| Type | Needle Roller Bearing |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
High-precision needle roller bearing (120×155×4 mm), radial load design, made of bearing steel. Features closed type, grease/oil lubrication, and standard precision grades P0–P2. Suitable for OEM/ODM applications. Made in China.
Basic Info.
| Inner Diameter | 16 mm |
| Outer Diameter | 21 mm |
| Thickness | 10 mm |
| Type | Needle Roller Bearing |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
Introduction
High-precision needle roller bearing without inner/outer ring, suitable for compact radial load applications. Available in multiple clearance (C0/C3/C4) and precision grades (P0–P2). Lubricated with grease or oil. Made in China, HS Code 8482102000.
Basic Info.
| Inner Diameter | 17 mm |
| Outer Diameter | 17 mm |
| Thickness | 24 mm |
| Type | Needle Roller Bearing |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
Description
This needle roller bearing features compact dimensions (17×17×24 mm), radial load capacity, and high-precision options (P0–P2). Made of premium bearing steel, it supports grease or oil lubrication. Ideal for OEM/ODM applications with fast delivery (3–7 days) and certified origin (China).
Basic Info.
| Inner Diameter | 25 mm |
| Outer Diameter | 33 mm |
| Thickness | 24 mm |
| Type | Needle Roller Bearing |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
Description
This needle roller bearing (Model: K25X33X24) features compact dimensions (25×33×24 mm), radial load capacity, and high-precision options (P0–P2). Made of premium bearing steel, it supports grease or oil lubrication. Ideal for OEM/ODM applications with fast delivery (3–7 days).
Basic Info.
| Inner Diameter | 95 mm |
| Outer Diameter | 102 mm |
| Thickness | 20 mm |
| Type | Needle Roller Bearing, Closed |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
High-precision needle roller bearing (K95X102X20) with radial load capacity, grease/oil lubrication, P0–P2 precision options, and C0–C4 clearance. Made in China, OEM/ODM supported.
Basic Info.
| Inner Diameter | 30 mm |
| Outer Diameter | 52 mm |
| Thickness | 15.8 mm |
| Load Direction | Radial Bearing |
| Type | Closed Needle Roller Bearing |
| Material | Bearing Steel |
Description
RSTO25 is a high-precision radial needle roller bearing without inner and outer rings, made of bearing steel. Designed for compact radial load applications, it features grease or oil lubrication, P0–P2 precision ratings, and C0–C4 clearance options. Dimensions: 30×52×15.8 mm. OEM/ODM supported. Made in China.
Basic Info.
| Model NO. | LB4UU |
| Load Direction | Radial Bearing |
| Type | Closed |
| Material | Bearing Steel |
| Lubrication | Grease or Oil |
| Origin | China |
Needle Roller Bearing
High-precision radial needle roller bearing without inner/outer rings, made of bearing steel. Suitable for compact radial load applications. Lubricated with grease or oil. Available in precision grades P0–P2 and clearances C0–C4. Fast delivery (3–7 days) and OEM/ODM support.
Basic Info.
| Inner Diameter | 20 mm |
| Outer Diameter | 24 mm |
| Thickness | 17 mm |
| Type | Needle Roller Bearing |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
High-precision needle roller bearing (20×24×17 mm) with radial load capacity, made of premium bearing steel. Features closed design, grease/oil lubrication, and standard precision grades (P0–P2). Ideal for compact, high-load applications.
Basic Info.
| Inner Diameter | 15 mm |
| Outer Diameter | 35 mm |
| Thickness | 19 mm |
| Model No. | NUTR15 |
| Type | Closed Needle Roller Bearing |
| Material | Bearing Steel |
Description
This NUTR15 needle roller bearing features compact dimensions (15×35×19 mm), radial load capability, and a closed design for enhanced sealing. Made from high-grade bearing steel, it supports grease or oil lubrication and offers precision ratings from P0 to P2. Ideal for OEM/ODM applications with fast delivery (3–7 days) and certified origin (China).
Basic Specifications
| Inner Diameter | 50 mm |
| Outer Diameter | 58 mm |
| Thickness | 25 mm |
| Type | Needle Roller Bearing |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
Product Overview
This needle roller bearing (Model: K50X58X25) features high-precision radial load capacity, compact design without inner/outer rings, and is made of premium bearing steel. Suitable for OEM/ODM applications with grease or oil lubrication, standard precision P0–P2 and clearances C0–C4. Fast delivery (3–7 days) from China.
Basic Info.
| Inner Diameter | 80 mm |
|---|---|
| Outer Diameter | 105 mm |
| Thickness | 4 mm |
| Load Direction | Radial Bearing |
| Type | Closed Needle Roller Bearing |
| Material | Bearing Steel |
Introduction
This BDL needle roller bearing (Model AXK80105) features compact dimensions (80×105×4 mm), radial load capacity, closed design, and high-precision options (P0–P2). Made of bearing steel, it supports grease or oil lubrication and is ideal for OEM/ODM applications. Origin: China.

















