BDL NKI12/20 NKI15/16 NKI15/20 Needle Roller Bearings – High-Precision Factory Direct
Basic Info.
| Inner Diameter | 12 mm |
| Outer Diameter | 24 mm |
| Thickness | 20 mm |
| Load Direction | Radial Bearing |
| Type | Closed Needle Roller Bearing |
| Material | Bearing Steel |
Introduction
This needle roller bearing (Model: NKI12/20) features compact dimensions (12×24×20 mm), high radial load capacity, and closed design for grease or oil lubrication. Made of premium bearing steel, it supports precision grades P0–P2 and clearances C0–C4. Ideal for OEM/ODM applications with fast delivery (3–7 days).
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 | 220 mm |
|---|---|
| Outer Diameter | 250 mm |
| Thickness | 50 mm |
| Model No. | RNA4840 |
| Type | Needle Roller Bearing, Closed |
| Material | Bearing Steel |
Description
High-precision needle roller bearing (RNA4840) with radial load capacity, no inner/outer ring design. Dimensions: 220×250×50 mm. Made of bearing steel, lubricated with grease or oil. Available in precision grades P0–P2 and clearances C0–C4. OEM/ODM supported. Fast delivery: 3–7 days.
Basic Info.
| Inner Diameter | 185 mm |
| Outer Diameter | 215 mm |
| Thickness | 45 mm |
| Model No. | RNA4834 |
| Type | Needle Roller Bearing, Closed |
| Material | Bearing Steel |
Description
This high-precision RNA4834 needle roller bearing features radial load direction, no inner/outer ring design, and is made of premium bearing steel. Suitable for OEM/ODM applications, it supports grease or oil lubrication and offers precision ratings from P0 to P2. Dimensions: 185×215×45 mm. Fast delivery (3–7 days) from China.
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 | 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 | 360 mm |
| Outer Diameter | 440 mm |
| Thickness | 80 mm |
| Model NO. | NA4872 |
| Type | Closed Needle Roller Bearing |
| Material | Bearing Steel |
Introduction
This NA4872 closed needle roller bearing features radial load direction, no inner/outer ring design, grease or oil lubrication, and precision ratings from P0 to P2. Made in China with BDL trademark, it offers high load capacity and compact dimensions (360×440×80 mm).
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 | 140 mm |
|---|---|
| Outer Diameter | 175 mm |
| Thickness | 35 mm |
| Model No. | NA4828 |
| Type | Needle Roller Bearing, Closed, Without Outer/Inner Ring |
| Material | Bearing Steel |
Introduction
This high-precision needle roller bearing (NA4828) features compact dimensions (140×175×35 mm), radial load capacity, and versatile lubrication options (grease or oil). Designed for OEM/ODM applications, it meets P0–P2 precision grades and C0–C4 clearance standards. Made in China with BDL branding.
Basic Info.
| Inner Diameter | 285 mm |
| Outer Diameter | 320 mm |
| Thickness | 60 mm |
| Model No. | RNA4852 |
| Type | Closed Needle Roller Bearing |
| Material | Bearing Steel |
Description
High-precision radial needle roller bearing (RNA4852), without inner/outer rings, made of bearing steel. Features closed design, grease/oil lubrication, and standard clearances (C0/C3/C4). Precision ratings available: P0–P2. Compact size: 285×320×60 mm. OEM/ODM supported. Made in China.
Basic Info.
| Inner Diameter | 415 mm |
| Outer Diameter | 480 mm |
| Thickness | 100 mm |
| Model No. | RNA4876 |
| Type | Needle Roller Bearing, Closed |
| Material | Bearing Steel |
Introduction
High-precision radial needle roller bearing (RNA4876) with no inner/outer ring design. Made of premium bearing steel, pre-lubricated with grease or oil. Available in precision grades P0–P2 and clearances C0–C4. Compact 415×480×100 mm size, ideal for space-constrained applications. OEM/ODM supported.
Basic Info.
| Inner Diameter | 70 mm |
| Outer Diameter | 100 mm |
| Thickness | 30 mm |
| Model No. | NA4914 |
| Type | Needle Roller Bearing, Closed |
| Material | Bearing Steel |
Introduction
This NA4914 needle roller bearing features compact dimensions (70×100×30 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 | 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 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.

















