Factory NAV4924-4930 & LZ28002 Needle Roller Bearings – High-Load, Precision OEM Replacement
Basic Info.
| Inner Diameter | 120 mm |
|---|---|
| Outer Diameter | 165 mm |
| Thickness | 45 mm |
| Load Direction | Radial Bearing |
| Type | Closed Needle Roller Bearing |
| Material | Bearing Steel |
Introduction
NAV4924 is a high-precision, radial needle roller bearing without inner/outer rings. Designed for compact applications, it features grease or oil lubrication, P0–P2 precision ratings, and C0–C4 clearance options. Made in China, certified with HS Code 8482102000.
Basic Info.
- Needle Bearing
- Cylindrical Roller Bearing
- Auto Bearing
- Thrust Needle Roller Bearing
- Linear Bearing
- Angular Contact Ball Bearing
- Alloy Guide Rail
- Deep Groove Ball Bearing
- Plain Bearing
- Spherical Roller Bearing
- Auto Air Conditioning Compressor
- Taper Roller Bearing
- Spherical Plain Bearing
- Thrust Ball Bearing
- Self-Aligning Ball Bearing
- Thrust Self-aligning Roller Bearing
- Pillow Block Bearing
Related Products
Basic Info.
| Inner Diameter | 30 mm |
| Outer Diameter | 47 mm |
| Thickness | 17 mm |
| Model No. | NA4906 |
| Type | Needle Roller Bearing, Closed, Without Outer/Inner Ring |
| Material | Bearing Steel |
Introduction
This NA4906 needle roller bearing features compact dimensions (30×47×17 mm), radial load capacity, and high-precision options (P0–P2). Made of bearing steel, it supports grease or oil lubrication and is ideal for OEM/ODM applications. Fast delivery (3–7 days) and certified with HS code 8482102000.
Basic Info.
| Inner Diameter | 350 mm |
| Outer Diameter | 400 mm |
| Thickness | 80 mm |
| Model No. | RNA4864 |
| Type | Needle Roller Bearing, Closed |
| Material | Bearing Steel |
Introduction
This RNA4864 needle roller bearing features radial load direction, no inner/outer ring design, and high-precision ratings (P0–P2). It supports grease or oil lubrication, offers standard clearances (C0–C4), and is manufactured in China under the BDL brand. Ideal for OEM/ODM applications with fast delivery (3–7 days).
Basic Info
| Inner Diameter | 70 mm |
| Outer Diameter | 100 mm |
| Thickness | 30 mm |
| Model No. | NA4914 |
| Type | Needle Roller Bearing, Closed, Without Outer/Inner Ring |
| Material | Bearing Steel |
Description
High-precision needle roller bearing (NA4914) with dimensions 70×100×30 mm. Designed for radial load applications. Made of premium bearing steel, sealed type, grease or oil lubricated. Available in precision grades P0–P2 and clearances C0–C4. OEM/ODM supported. Made in China.
Basic Info.
| Inner Diameter | 285 mm |
| Outer Diameter | 320 mm |
| Thickness | 60 mm |
| Model No. | RNA4852 |
| Type | Needle Roller Bearing, Closed |
| Material | Bearing Steel |
Introduction
This RNA4852 needle roller bearing is a radial, ringless design made of high-grade bearing steel. It features closed construction, supports grease or oil lubrication, and offers precision grades P0–P2 with clearance options C0/C3/C4. Ideal for OEM/ODM applications.
Basic Info.
| Model NO. | KR30 KR32 KR35 KR40 KR47 |
| Material | Bearing Steel |
| Precision Rating | P0 P6 P5 P4 |
| Vibration Level | Z1 Z2 Z3 Z4 |
| Feature | Long Life, High Speed, Low Noise |
| Origin | China |
Introduction
High-precision angular contact ball bearings with robust bearing steel construction, designed for long life, high-speed operation and low noise. Available in multiple sizes (KR30–KR47) and precision grades (P0 to P4), compliant with international standards. Made in China, suitable for OEM/ODM applications.
Basic Info.
| Inner Diameter | 10 mm |
| Outer Diameter | 22 mm |
| Thickness | 13 mm |
| Model No. | NA4900 |
| Type | Closed Needle Roller Bearing |
| Material | Bearing Steel |
Description
This NA4900 needle roller bearing features compact dimensions (10×22×13 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.
Product Parameters
| Bore Diameter | Different models and sizes |
| Outer Diameter | Different models and sizes |
| Width | Different models and sizes |
| Material | Bearing Steel |
| Precision Rating | P0, P6, P5, P4, P2 |
| Clearance | C0, C2, C3, C4, C5 |
Description
High precision radial bearing without inner ring, offering long service life and low noise performance. Suitable for various industrial applications with OEM/ODM service available. Made in China, packed in neutral packaging.
Basic Info.
| Inner Diameter | 55 mm |
| Outer Diameter | 80 mm |
| Thickness | 25 mm |
| Model No. | NA4911 |
| Type | Needle Roller Bearing, Closed |
| Material | Bearing Steel |
High-precision needle roller bearing (NA4911) with radial load capacity, compact 55×80×25 mm dimensions, grease/oil lubrication, and P0–P2 precision options. Made in China, OEM/ODM supported.
Basic Info.
| Inner Diameter | 125 mm |
| Outer Diameter | 150 mm |
| Thickness | 40 mm |
| Model No. | RNA4922 |
| Type | Needle Roller Bearing, Closed, Without Outer & Inner Ring |
| Material | Bearing Steel |
High-precision needle roller bearing (RNA4922) with radial load capacity. Features compact design (125×150×40 mm), grease/oil lubrication, P0–P2 precision ratings, and C0–C4 clearance options. Made in China, OEM/ODM supported.
Basic Info.
| Inner Diameter | 120 mm |
| Outer Diameter | 140 mm |
| Thickness | 30 mm |
| Model No. | RNA4822 |
| Type | Needle Roller Bearing, Closed |
| Material | Bearing Steel |
Introduction
This RNA4822 needle roller bearing features radial load direction, no inner/outer ring design, and high-precision options (P0–P2). Suitable for compact applications requiring high load capacity and low friction. Lubricated with grease or oil, compliant with HS code 8482102000. Made in China.
Specifications
| Model No. | HK0509/HK0609 |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Precision Rating | P0, P6, P5, P4, P2 |
| Clearance | C0, C2, C3, C4, C5 |
| Features | High Precision, Long Life, Low Noise |
Description
High-quality radial bearings made from bearing steel, available in multiple models and precision grades. Ideal for industrial applications requiring reliability and durability. OEM/ODM service supported.
Basic Info.
| Inner Diameter | 35 mm |
| Outer Diameter | 47 mm |
| Thickness | 17 mm |
| Model No. | RNA4906 |
| Type | Needle Roller Bearing, Closed |
| Material | Bearing Steel |
Description
RNA4906 is a high-precision radial needle roller bearing without inner and outer rings. Designed for compact applications, it features grease or oil lubrication, P0–P2 precision ratings, and standard clearances (C0/C3/C4). Made in China with BDL branding.

















