BDL NA4917/4918/4919 Needle Roller Bearings – High-Load, Precision Factory Direct
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.
Basic Info.
Related Products
Basic Info.
| Inner Diameter | 120 mm |
| Outer Diameter | 165 mm |
| Thickness | 45 mm |
| Model NO. | NA4924 |
| Type | Needle Roller Bearing, Closed, Without Outer/Inner Ring |
| Material | Bearing Steel |
High-precision needle roller bearing (NA4924) with compact dimensions 120×165×45 mm. Designed for radial load applications, made of premium bearing steel, grease or oil lubricated. Available in precision grades P0–P2 and clearances C0–C4. OEM/ODM supported. Made in China.
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 | 52 mm |
| Outer Diameter | 68 mm |
| Thickness | 22 mm |
| Model No. | RNA4909 |
| Type | Needle Roller Bearing, Closed, Without Outer/Inner Ring |
| Material | Bearing Steel |
Introduction
RNA4909 is a high-precision radial needle roller bearing made of bearing steel. Compact design (52×68×22 mm), closed type, grease or oil lubricated. Suitable for OEM/ODM applications with P0–P2 precision and C0–C4 clearance options. 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 |
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).
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 | 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 | 350 mm |
|---|---|
| Outer Diameter | 400 mm |
| Thickness | 80 mm |
| Model No. | RNA4864 |
| Type | Closed Needle Roller Bearing |
| Material | Bearing Steel |
Introduction
High-precision RNA4864 needle roller bearing, radial load direction, without inner/outer ring design. Made of premium bearing steel, lubricated with grease or oil. Available in precision grades P0–P2 and clearances C0–C4. Fast delivery (3–7 days), OEM/ODM supported. Origin: 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 | 17 mm |
| Outer Diameter | 30 mm |
| Thickness | 23 mm |
| Model No. | NA6903 |
| Type | Needle Roller Bearing, Closed, Without Outer/Inner Ring |
| Material | Bearing Steel |
Description
High-precision needle roller bearing (NA6903) with compact dimensions 17×30×23 mm. Designed for radial load applications, made of premium bearing steel, pre-lubricated with grease or oil. Available in precision grades P0–P2 and clearances C0–C4. OEM/ODM supported. Made in China.
Specifications
| Bore Diameter | 22 mm |
| Outer Diameter | 26 mm |
| Width | 13 mm |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
Description
Needle Roller Bearing K22X26X13, made of high-quality bearing steel, features a compact design without inner or outer ring. Suitable for radial load applications, available with OEM/ODM service.
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.