BDL NK45/20 NK45/30 NK50/25 Needle Roller Bearings – High-Precision Factory Direct
Basic Info.
| Inner Diameter | 45 mm |
| Outer Diameter | 55 mm |
| Thickness | 20 mm |
| Model No. | NK45/20 |
| Type | Needle Roller Bearing, Closed |
| Material | Bearing Steel |
Introduction
This NK45/20 needle roller bearing features compact dimensions (45×55×20 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.
Related Products
Basic Info.
| Inner Diameter | 85 mm |
| Outer Diameter | 120 mm |
| Thickness | 35 mm |
| Type | Needle Roller Bearing |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
Description
This high-precision needle roller bearing (Model: NA4917) features compact dimensions (85×120×35 mm), radial load capacity, and is made of premium bearing steel. Suitable for OEM/ODM applications with grease or oil lubrication. Available in precision grades P0–P2 and clearances C0–C4. Made in China.
Basic Info.
| Inner Diameter | 160 mm |
| Outer Diameter | 190 mm |
| Thickness | 50 mm |
| Model No. | RNA4928 |
| Type | Needle Roller Bearing, Closed |
| Material | Bearing Steel |
Introduction
RNA4928 is a high-precision radial needle roller bearing without inner and outer rings. Designed for compact applications, it features grease or oil lubrication, standard P0–P2 precision ratings, and C0–C4 clearance options. Made in China, it offers reliable performance in demanding industrial environments.
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.
| 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 | 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 | 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
| 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 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 | 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 | 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 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.
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.