BDL RSTO25/30/35 Needle Roller Bearing – High-Load, Precision Factory Direct
Basic Info
| Inner Diameter | 30 mm |
| Outer Diameter | 52 mm |
| Thickness | 15.8 mm |
| Load Direction | Radial Bearing |
| Type | Closed Needle Roller Bearing |
| Material | Bearing Steel |
Introduction
RSTO25 is a compact, high-precision radial needle roller bearing without inner and outer rings. Designed for space-constrained applications, it features grease or oil lubrication, P0–P2 precision ratings, and standard clearances (C0/C3/C4). Made in China with BDL branding.
Basic Info.
- Needle Bearing
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- 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 | 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.
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
High-precision needle roller bearing (NA4828) with radial load capacity, grease/oil lubrication, and P0–P2 precision ratings. Compact 140×175×35 mm design, made in China, suitable for OEM/ODM applications.
Basic Info
| Inner Diameter | 22 mm |
| Outer Diameter | 30 mm |
| Thickness | 13 mm |
| Model | RNA4903 |
| Type | Needle Roller Bearing, Closed, Without Outer/Inner Ring |
Description
High-precision needle roller bearing made of bearing steel, suitable for radial load applications. Features grease or oil lubrication, standard precision ratings (P0–P2), and standard clearances (C0–C4). Compact size (22×30×13 mm), OEM/ODM supported, manufactured in China.
Basic Info.
| Inner Diameter | 185 mm |
| Outer Diameter | 215 mm |
| Thickness | 45 mm |
| Model No. | RNA4834 |
| Type | Needle Roller Bearing, Closed |
| Material | Bearing Steel |
Introduction
RNA4834 is a high-precision radial needle roller bearing without inner and outer rings. Made of premium bearing steel, it features compact dimensions (185×215×45 mm), grease/oil lubrication, and precision ratings from P0 to P2. Ideal for OEM/ODM applications with fast 3–7 day delivery.
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.
Basic Info.
| Model NO. | KR13 KR16 KR019 KR22 KR26 |
| 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-performance angular contact ball bearings designed for precision machinery. Made of premium bearing steel with strict precision (P0–P4) and low vibration (Z1–Z4) ratings. Ideal for high-speed, low-noise, long-life applications. OEM/ODM supported. HS Code: 8482102000.
Specifications
| Bore Diameter | Customized |
| Outer Diameter | Varies by model |
| Width | Standard size |
| Material | Bearing Steel |
| Type | Open, Without Inner/Outer Ring |
| Load Direction | Radial Bearing |
Description
Precision needle roller bearing, ideal for high-load radial applications. Made from durable bearing steel, it operates efficiently without inner or outer rings. Suitable for compact mechanical systems requiring low friction and high performance. Origin: China, HS Code: 8482102000.
Basic Info.
| Inner Diameter | 170 mm |
| Outer Diameter | 215 mm |
| Thickness | 45 mm |
| Model NO. | NA4834 |
| Type | Closed Needle Roller Bearing |
| Material | Bearing Steel |
High-precision needle roller bearing without inner/outer rings, designed for radial load applications. Features grease or oil lubrication, P0–P2 precision grades, C0–C4 clearance options, and compact 170×215×45 mm dimensions. Made in China, OEM/ODM supported.
Basic Info
| Inner Diameter | 300 mm |
| Outer Diameter | 380 mm |
| Thickness | 80 mm |
| Model No. | NA4860 |
| Type | Needle Roller Bearing, Closed |
| Material | Bearing Steel |
Description
This NA4860 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 BDL brand. Compact 300×380×80 mm size suits heavy-duty applications.
Basic Specifications
| Inner Diameter | 68 mm |
| Outer Diameter | 85 mm |
| Thickness | 25 mm |
| Model No. | RNA4912 |
| Type | Needle Roller Bearing, Closed, Without Outer/Inner Ring |
| Material | Bearing Steel |
Product Description
This IKO RNA4912 needle roller bearing is a high-precision radial bearing made of bearing steel. Compact design (68×85×25 mm), closed type, suitable for grease or oil lubrication. Features P0–P2 precision grades and C0–C4 clearance options. OEM/ODM supported. Made in Japan.
Basic Specifications
| Inner Diameter | 14 mm |
| Outer Diameter | 20 mm |
| Thickness | 12 mm |
| Type | Needle Roller Bearing, Closed, Radial |
| Material | Bearing Steel |
| Origin | China |
Product Description
High-precision needle roller bearing without inner/outer ring, designed for radial load applications. Features grease or oil lubrication, P0–P2 precision ratings, and C0–C4 clearance options. Compact 14×20×12 mm size, OEM/ODM supported.

















