BDL RNA6918/6919/6920 Needle Roller Bearings – High-Load, Precision Factory Direct
Basic Info.
| Inner Diameter | 105 mm |
| Outer Diameter | 125 mm |
| Thickness | 63 mm |
| Model No. | RNA6918 |
| Type | Needle Roller Bearing, Closed, Without Outer/Inner Ring |
| Material | Bearing Steel |
Introduction
High-precision needle roller bearing (RNA6918) with radial load capacity, grease/oil lubrication, P0–P2 precision grades, and C0–C4 clearance options. Made in China, OEM/ODM supported. Fast delivery (3–7 days).
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 |
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.
| 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 | 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 | 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 Info.
| Inner Diameter | 10 mm |
| Outer Diameter | 22 mm |
| Thickness | 13 mm |
| Model No. | NA4900 |
| Type | Needle Roller Bearing, Closed |
| Material | Bearing Steel |
Description
This needle roller bearing (NA4900) features compact dimensions of 10×22×13 mm, radial load capability, and high-precision options (P0–P2). Made of bearing steel, it’s grease or oil lubricated, closed-type, and suitable for OEM/ODM applications. Origin: 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.
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 Size | 1-500 mm |
| Material | Bearing Steel |
| Seals Type | Zz 2RS Open |
| Lubrication | Grease or Oil |
| Precision Rating | P0 P6 P5 P4 |
| Vibration | Z1V1 Z2V2 Z3V3 |
Description
High-quality roller bearing with durable bearing steel construction. Offers reliable performance under various loads and speeds. Available in multiple sizes and precision grades for versatile industrial applications.
Basic Info.
| Inner Diameter | 220 mm |
|---|---|
| Outer Diameter | 250 mm |
| Thickness | 50 mm |
| Model No. | RNA4840 |
| Type | Needle Roller Bearing, Closed |
| Material | Bearing Steel |
Description
High-precision needle roller bearing (RNA4840) with radial load capacity, no inner/outer ring design. Dimensions: 220×250×50 mm. Made of bearing steel, lubricated with grease or oil. Available in precision grades P0–P2 and clearances C0–C4. OEM/ODM supported. 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 |
| 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 | 32 mm |
| Outer Diameter | 42 mm |
| Thickness | 20 mm |
| Model NO. | 624705 |
| Type | Closed Needle Roller Bearing |
| Material | Bearing Steel |
Description
This precision needle roller bearing (Model 624705) features compact dimensions of 32×42×20 mm, radial load capability, and closed design for enhanced durability. Made from high-grade bearing steel, it supports grease or oil lubrication and offers standard precision ratings (P0–P2) and clearances (C0–C4). Ideal for OEM/ODM applications with fast delivery (3–7 days).