Nfactory Needle Roller Bearings K15–K18 Series – High-Precision, Low-Friction
Basic Info
| Inner Diameter | 13 mm |
| Outer Diameter | 20 mm |
| Thickness | 15 mm |
| Type | Needle Roller Bearing, Closed, Without Outer/Inner Ring |
| Material | Bearing Steel |
| Lubrication | Grease or Oil |
Introduction
This K15X20X13 needle roller bearing features compact dimensions (20×13×15 mm), radial load capacity, high-precision options (P0–P2), and standard clearances (C0/C3/C4). Made of bearing steel, it supports OEM/ODM service and ships in 3–7 days.
Basic Info.
Related Products
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 | 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 | 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.
Basic Info.
| Inner Diameter | 20 mm |
| Outer Diameter | 26 mm |
| Thickness | 16 mm |
| Model No. | NA49/8 |
| Type | Needle Roller Bearing, Closed |
| Material | Bearing Steel |
Description
This NA49/8 needle roller bearing features compact dimensions (20×26×16 mm), radial load capacity, and a closed design for enhanced sealing. Made of 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).
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 | 14 mm |
| Outer Diameter | 17 mm |
| Thickness | 10 mm |
| Model | LZ25 |
| Type | Needle Roller Bearing, Closed |
| Material | Bearing Steel |
Description
This LZ25 needle roller bearing features compact dimensions (14×17×10 mm), radial load capability, and a closed design for enhanced sealing. Made from high-grade bearing steel, it supports precision ratings P0–P2 and clearances C0–C4. Ideal for OEM/ODM applications with fast delivery (3–7 days) and standard carton/pallet packaging.
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 | 50 mm |
| Outer Diameter | 70 mm |
| Thickness | 3 mm |
| Model No. | Axk5070 |
| Type | Needle Roller Bearing, Closed, Without Outer & Inner Ring |
| Material | Bearing Steel |
Description
This Axk5070 needle roller bearing features compact dimensions (50×70×3 mm), high-precision options (P0–P2), and radial load capability. Made of bearing steel, it supports grease or oil lubrication and is ideal for OEM/ODM applications. Origin: China.
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 | 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.
Specifications
| Inner Diameter | 48 mm |
| Outer Diameter | 62 mm |
| Thickness | 22 mm |
Introduction
RNAV4908 is a radial needle roller bearing without inner and outer rings, made of high-quality bearing steel. It features closed-type design, grease or oil lubrication, and precision ratings from P0 to P2. Ideal for compact applications requiring high load capacity and low friction. Origin: China. HS Code: 8482102000.
Basic Info.
| Inner Diameter | 20 mm |
|---|---|
| Outer Diameter | 52 mm |
| Thickness | 25 mm |
| Model No. | NUTR2052 |
| Type | Needle Roller Bearing, Closed, Without Outer/Inner Ring |
| Material | Bearing Steel |
High-precision needle roller bearing designed for radial load applications. Features compact dimensions (20×52×25 mm), grease or oil lubrication, and multiple precision/clearance options (P0–P2, C0–C4). Made in China, OEM/ODM supported.