HK/Bk Series Drawn Cup Needle Roller Bearings – High Load, Compact Design
Basic Info.
| Inner Diameter | 20 mm |
| Outer Diameter | 26 mm |
| Thickness | 16 mm |
| Type | Needle Roller Bearing, Closed |
| Material | Bearing Steel |
| Load Direction | Radial Bearing |
High-precision needle roller bearing with compact dimensions (20×26×16 mm), radial load capacity, closed design, and made of premium bearing steel. Suitable for OEM/ODM applications. Lubrication: grease or oil. Precision grades available: P0–P2. Origin: 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 | 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 | 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 | 12 mm |
| Outer Diameter | 26 mm |
| Thickness | 2 mm |
| Type | Needle Roller Bearing |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
AXK1226 is a compact, high-precision needle roller bearing without inner or outer rings. Designed for radial loads, it features grease or oil lubrication, P0–P2 precision ratings, and standard clearances (C0/C3/C4). Made in China with BDL branding.
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 | 125 mm |
| Outer Diameter | 150 mm |
| Thickness | 40 mm |
| Model No. | RNAV4922 |
| Type | Needle Roller Bearing, Closed, Without Outer/Inner Ring |
| Material | Bearing Steel |
Introduction
High-precision needle roller bearing (RNAV4922) with radial load capacity. Features compact 125×150×40 mm dimensions, grease/oil lubrication, P0–P2 precision grades, and C0–C4 clearance options. Made in China, OEM/ODM supported.
Basic Info.
| Inner Diameter | 55 mm |
| Outer Diameter | 63 mm |
| Thickness | 25 mm |
| Type | Needle Roller Bearing, Closed |
| Material | Bearing Steel |
| Lubrication | Grease or Oil |
Introduction
This needle roller bearing (Model: K55X63X25) features compact dimensions (55×63×25 mm), radial load capacity, and high-precision options (P0–P2). Designed without inner/outer rings for lightweight applications, it’s made of premium bearing steel, lubricated with grease or oil, and suitable for OEM/ODM use. Origin: China.
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 | 42 mm |
| Outer Diameter | 48 mm |
| Thickness | 35 mm |
| Type | Needle Roller Bearing |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
High-precision needle roller bearing (K42X48X35) with radial load capacity, grease/oil lubrication, and P0–P2 precision ratings. Designed without inner/outer rings for compact applications. Made in China, OEM/ODM supported.
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.
| 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 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 | 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.

















