Bdl NK19/16 NK19/20 NK20/16 Needle Roller Bearings – High-Load, Precision OEM Factory
Basic Info.
| Inner Diameter | 19 mm |
| Outer Diameter | 27 mm |
| Thickness | 16 mm |
| Load Direction | Radial Bearing |
| Type | Closed Needle Roller Bearing |
| Material | Bearing Steel |
Compact and high-precision needle roller bearing (NK19/16) with radial load capacity, closed design, and grease/oil lubrication. Made of bearing steel, compliant with P0–P2 precision grades and C0–C4 clearance options. Ideal for space-constrained applications requiring high rigidity and low friction.
Basic Info.
- Auto Bearing
- Angular Contact Ball Bearing
- Linear Bearing
- Thrust Needle Roller Bearing
- Self-Aligning Ball Bearing
- Deep Groove Ball Bearing
- Auto Air Conditioning Compressor
- Taper Roller Bearing
- Spherical Plain Bearing
- Needle Bearing
- Alloy Guide Rail
- Cylindrical Roller Bearing
- Thrust Ball Bearing
- Thrust Self-aligning Roller Bearing
- Spherical Roller Bearing
- Pillow Block Bearing
Related Products
Basic Info.
| Inner Diameter | 14 mm |
| Outer Diameter | 22 mm |
| Thickness | 16 mm |
| Model No. | RNA4900X2A |
| Type | Needle Roller Bearing, Closed |
| Material | Bearing Steel |
Description
This precision needle roller bearing (RNA4900X2A) features compact dimensions of 14×22×16 mm, radial load capacity, and high-grade bearing steel construction. Designed without inner/outer rings for lightweight integration, it supports grease or oil lubrication and offers clearance options C0/C3/C4 with precision ratings from P0 to P2. Ideal for OEM/ODM applications requiring reliability and space efficiency.
Basic Info.
| Inner Diameter | 85 mm |
| Outer Diameter | 105 mm |
| Thickness | 30 mm |
| Model No. | RNA4915 |
| Type | Needle Roller Bearing, Closed |
| Material | Bearing Steel |
Introduction
RNA4915 is a high-precision radial needle roller bearing without inner or outer rings. Designed for compact applications, it features grease or oil lubrication, P0–P2 precision ratings, and C0–C4 clearance options. Made in China with BDL branding, it offers robust performance in OEM/ODM setups.
Basic Info
| Inner Diameter | 52 mm |
| Outer Diameter | 68 mm |
| Thickness | 22 mm |
| Model No. | RNA4909 |
| Type | Needle Roller Bearing, Closed, Without Outer/Inner Ring |
| Material | Bearing Steel |
Introduction
RNA4909 is a high-precision radial needle roller bearing made of bearing steel. Compact design (52×68×22 mm), closed type, grease or oil lubricated. Suitable for OEM/ODM applications with P0–P2 precision and C0–C4 clearance options. Made in China.
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 or outer rings. Compact size (35×47×17 mm), grease/oil lubricated, and available in P0–P2 precision grades. Ideal for OEM/ODM applications with fast delivery (3–7 days). Made in China, HS Code 8482102000.
Basic Info.
| Inner Diameter | 68 mm |
| Outer Diameter | 85 mm |
| Thickness | 25 mm |
| Model No. | RNA4912 |
| Type | Needle Roller Bearing, Closed |
| Material | Bearing Steel |
High-precision RNA4912 needle roller bearing with radial load capacity. Features no inner/outer ring design, grease or oil lubrication, and P0–P2 precision ratings. Made in Japan by IKO, ideal for compact, high-load applications.
Basic Info.
| Inner Diameter | 120 mm |
| Outer Diameter | 165 mm |
| Thickness | 45 mm |
| Model NO. | NA4924 |
| Type | Needle Roller Bearing, Closed, Without Outer/Inner Ring |
| Material | Bearing Steel |
High-precision needle roller bearing (NA4924) with compact dimensions 120×165×45 mm. Designed for radial load applications, made of premium bearing steel, grease or oil lubricated. Available in precision grades P0–P2 and clearances C0–C4. OEM/ODM supported. Made in China.
Basic Info.
| Inner Diameter | 45 mm |
| Outer Diameter | 68 mm |
| Thickness | 40 mm |
| Load Direction | Radial Bearing |
| Type | Closed Needle Roller Bearing |
| Material | Bearing Steel |
Introduction
NA6909 is a high-precision radial needle roller bearing without inner/outer rings, made of premium bearing steel. It features compact dimensions (45×68×40 mm), closed design, grease/oil lubrication, and supports precision grades P0–P2 and clearances C0–C4. Ideal for OEM/ODM applications with fast 3–7 day delivery.
Basic Info.
| Inner Diameter | 17 mm |
| Outer Diameter | 30 mm |
| Thickness | 23 mm |
| Model No. | NA6903 |
| Type | Needle Roller Bearing, Closed, Without Outer/Inner Ring |
| Material | Bearing Steel |
Description
High-precision needle roller bearing (NA6903) with compact dimensions 17×30×23 mm. Designed for radial load applications, made of premium bearing steel, pre-lubricated with grease or oil. Available in precision grades P0–P2 and clearances C0–C4. OEM/ODM supported. Made in China.
Basic Info.
| Inner Diameter | 30 mm |
| Outer Diameter | 47 mm |
| Thickness | 17 mm |
| Model No. | NA4906 |
| Type | Needle Roller Bearing, Closed |
| 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. Origin: China.
Basic Info.
| Inner Diameter | 22 mm |
|---|---|
| Outer Diameter | 30 mm |
| Thickness | 13 mm |
| Model No. | RNA4903 |
| Type | Needle Roller Bearing, Closed, Without Outer & Inner Ring |
| Material | Bearing Steel |
Introduction
RNA4903 is a high-precision radial needle roller bearing made of bearing steel. Compact size (22×30×13 mm), grease/oil lubricated, available in P0–P2 precision and C0–C4 clearance. Ideal for OEM/ODM applications with fast delivery (3–7 days).
Basic Specifications
| Inner Diameter | 55 mm |
| Outer Diameter | 80 mm |
| Thickness | 25 mm |
| Model No. | NA4911 |
| Type | Needle Roller Bearing, Closed |
| Material | Bearing Steel |
Product Overview
High-precision needle roller bearing (NA4911) with radial load capacity, grease/oil lubrication, and P0–P2 precision ratings. Compact 55×80×25 mm design, no inner/outer ring, ideal for OEM/ODM applications. Made in China, HS Code 8482102000.
Basic Info.
| Inner Diameter | 350 mm |
|---|---|
| Outer Diameter | 400 mm |
| Thickness | 80 mm |
| Model No. | RNA4864 |
| Type | Closed Needle Roller Bearing |
| Material | Bearing Steel |
Introduction
High-precision RNA4864 needle roller bearing, radial load direction, without inner/outer ring design. Made of premium bearing steel, lubricated with grease or oil. Available in precision grades P0–P2 and clearances C0–C4. Fast delivery (3–7 days), OEM/ODM supported. Origin: China.

















