China K18X24X20–K18X28X16 Needle Roller Bearings – High-Precision, Factory Direct
Basic Specifications
| Inner Diameter | 18 mm |
| Outer Diameter | 24 mm |
| Thickness | 10 mm |
| Type | Needle Roller Bearing |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
Product Overview
High-precision needle roller bearing without inner/outer rings, designed for compact radial load applications. Features grease or oil lubrication, P0–P2 precision ratings, and C0–C4 clearance options. Made in China, HS Code 8482102000.
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 | 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 | 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 | 4 mm |
| Outer Diameter | 4 mm |
| Thickness | 7 mm |
| Material | Alloy |
| Type | Open |
| Certification | ISO9001:2008 |
Introduction
Precision-engineered alloy bearing with open design, suitable for OEM/ODM applications. Compact size (4×4×7mm), grease or oil lubrication, certified to ISO9001:2008. Made in China, HS Code 8482102000.
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.
| Inner Diameter | 32 mm |
|---|---|
| Outer Diameter | 40 mm |
| Thickness | 25 mm |
| Type | Needle Roller Bearing, Closed, Without Outer/Inner Ring |
| Material | Bearing Steel |
| Lubrication | Grease or Oil |
High-precision needle roller bearing (K32X40X25) made of bearing steel, designed for radial load applications. Compact size (32×40×25 mm), closed type, no inner/outer ring. Available in P0–P2 precision grades and C0–C4 clearance options. OEM/ODM supported. Made in China.
Basic Info.
| Inner Diameter | 14 mm |
| Outer Diameter | 30 mm |
| Thickness | 11.8 mm |
| Model No. | RSTO10 |
| Type | Needle Roller Bearing, Closed |
| Material | Bearing Steel |
High-precision needle roller bearing RSTO10, radial load design, without inner/outer ring. Compact size (14×30×11.8 mm), suitable for space-constrained applications. Available in P0–P2 precision and C0–C4 clearance. Lubricated with grease or oil. Made in China, OEM/ODM supported.
Basic Info.
| Model No. | LB25UU |
|---|---|
| Type | Needle Roller Bearing |
| Load Direction | Radial Bearing |
| Style | Without Outer Ring, Without Inner Ring |
| Material | Bearing Steel |
| Lubrication | Grease or Oil |
Description
High-precision needle roller bearing LB25UU, radial load design, compact without inner/outer rings. Made of high-grade bearing steel, pre-lubricated with grease or oil. Suitable for OEM/ODM applications. 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.
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.
| 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 | 75 mm |
| Outer Diameter | 81 mm |
| Thickness | 20 mm |
| Type | Needle Roller Bearing |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
Introduction
This needle roller bearing (Model: K75X81X20) features compact dimensions (75×81×20 mm), radial load capacity, and high-precision options (P0–P2). Made of bearing steel, it supports grease or oil lubrication and is suitable for OEM/ODM applications. Origin: China.
Basic Info.
| Inner Diameter | 70 mm |
| Outer Diameter | 95 mm |
| Thickness | 4 mm |
| Model NO. | AXK5578 |
| Type | Needle Roller Bearing, Closed |
| Material | Bearing Steel |
High-precision needle roller bearing without inner/outer ring, designed for radial load applications. Features grease or oil lubrication, P0–P2 precision ratings, and C0–C4 clearance options. Made in China, HS Code 8482102000.

















