BDL NKI50/25 NKI50/35 NKI55/25 Needle Roller Bearings – High-Load, Precision Factory Direct
Basic Info.
| Inner Diameter | 50 mm |
| Outer Diameter | 68 mm |
| Thickness | 25 mm |
| Model No. | NKI50/25 |
| Type | Closed Needle Roller Bearing |
| Material | Bearing Steel |
High-precision NKI50/25 needle roller bearing with radial load capacity, grease/oil lubrication, and compact 50×68×25 mm dimensions. Features no outer/inner ring design, P0–P2 precision grades, C0–C4 clearance options, and OEM/ODM support. Made in China.
Basic Info.
Related Products
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 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 with BDL branding.
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 | 110 mm |
| Outer Diameter | 140 mm |
| Thickness | 30 mm |
| Model NO. | NA4822 |
| Type | Closed Needle Roller Bearing |
| Material | Bearing Steel |
Introduction
This NA4822 closed needle roller bearing features radial load direction, no inner/outer ring design, grease or oil lubrication, and high precision options (P0–P2). Made of bearing steel, it measures 110×140×30 mm and is manufactured in China with OEM/ODM service available.
Basic Info.
| Inner Diameter | 40 mm |
| Outer Diameter | 55 mm |
| Thickness | 20 mm |
| Type | Needle Roller Bearing, Closed, Without Outer & Inner Ring |
| Material | Bearing Steel |
| Lubrication | Grease or Oil |
Description
NKI40/20 is a radial needle roller bearing made of high-grade bearing steel. Compact and precision-engineered (P0–P2), it features no inner or outer ring, ideal for space-constrained applications. Supplied with standard clearance (C0/C3/C4) and ready for OEM/ODM use. Fast delivery: 3–7 days.
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 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 | 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.
| 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 | 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 | 85 mm |
| Outer Diameter | 105 mm |
| Thickness | 30 mm |
| Type | Needle Roller Bearing |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
Introduction
RNA4915 is a high-precision, closed-type needle roller bearing without inner or outer rings. Designed for radial loads, it features compact dimensions (85×105×30 mm), grease/oil lubrication, and precision ratings from P0 to P2. Made of bearing steel, it’s ideal for OEM/ODM applications with fast delivery (3–7 days).
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 | 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.