Bdl NK37/30 NK38/20 NK38/30 Needle Roller Bearings – High-Load, Precision Factory Direct
Basic Info.
| Inner Diameter | 37 mm |
| Outer Diameter | 47 mm |
| Thickness | 30 mm |
| Model No. | NK37/30 |
| Type | Needle Roller Bearing, Closed, Without Outer & Inner Ring |
| Material | Bearing Steel |
High-precision needle roller bearing (NK37/30) with compact 37×47×30 mm dimensions. Designed for radial load applications, made of premium bearing steel, and available in precision grades P0–P2. Lubricated with grease or oil, suitable for OEM/ODM use.
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 | 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 | 110 mm |
| Outer Diameter | 140 mm |
| Thickness | 30 mm |
| Model No. | NA4822 |
| Type | Needle Roller Bearing, Closed, Without Outer/Inner Ring |
| Material | Bearing Steel |
Description
This NA4822 needle roller bearing features radial load direction, compact dimensions (110×140×30 mm), high-precision rating (P0–P2), and standard clearance (C0/C3/C4). Designed for OEM/ODM applications, it supports grease or oil lubrication and is manufactured in China under BDL brand.
Specifications
| Bore Diameter | 100 mm |
| Outer Diameter | 120 mm |
| Width | 35 mm |
| Load Direction | Radial Bearing |
| Precision Rating | P0, P6, P5, P4, P2 |
| Clearance | C0, C3, C4 |
Description
Needle Roller Bearing K9X12X13TN, made of high-quality bearing steel, features a closed design without outer and inner rings. Suitable for radial load applications, it offers multiple precision and clearance options, ensuring reliable performance in demanding environments. Lubricated with grease or oil, ideal for OEM/ODM use.
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 | 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 | 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 | 125 mm |
| Outer Diameter | 150 mm |
| Thickness | 40 mm |
| Model No. | RNA4922 |
| Type | Needle Roller Bearing, Closed |
| Material | Bearing Steel |
Introduction
This RNA4922 needle roller bearing features radial load direction, no inner/outer ring design, and high-precision options (P0–P2). It supports grease or oil lubrication, offers standard clearances (C0/C3/C4), and is manufactured in China under the BDL brand. Ideal for compact, high-load applications.
Basic Info
| Inner Diameter | 300 mm |
|---|---|
| Outer Diameter | 380 mm |
| Thickness | 80 mm |
| Model No. | NA4860 |
| Type | Closed Needle Roller Bearing |
| Material | Bearing Steel |
Introduction
This NA4860 closed needle roller bearing features radial load direction, no outer/inner 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 (300×380×80 mm).
Basic Info.
| Inner Diameter | 85 mm |
| Outer Diameter | 120 mm |
| Thickness | 35 mm |
| Type | Needle Roller Bearing |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
Introduction
NA4917 is a high-precision radial needle roller bearing without inner/outer rings. Made of bearing steel, it supports grease or oil lubrication and offers precision grades P0–P2 and clearances C0–C4. Compact size (85×120×35 mm), ideal for space-constrained applications. OEM/ODM supported.
Specifications
| Bore Diameter | 6 mm |
| Outer Diameter | 16 mm |
| Thickness | 28.2 mm |
| Material | Bearing Steel |
| Lubrication | Grease or Oil |
| Precision Rating | P0, P6, P5, P4, P2 |
Description
Needle Roller Bearing with radial load direction, designed without outer and inner rings. Made of high-quality bearing steel, offering reliable performance in compact spaces. Suitable for various industrial applications requiring high load capacity and precision.
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 | 160 mm |
| Outer Diameter | 190 mm |
| Thickness | 50 mm |
| Model No. | RNA4928 |
| Type | Needle Roller Bearing, Closed |
| Material | Bearing Steel |
Description
RNA4928 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, it offers OEM/ODM service and fast delivery (3–7 days).

















