BDL RNA6915/6916/6917 Needle Roller Bearings – High-Load, Precision Factory Direct
Basic Info.
| Inner Diameter | 85 mm |
| Outer Diameter | 105 mm |
| Thickness | 54 mm |
| Model No. | RNA6915 |
| Type | Needle Roller Bearing, Closed |
| Material | Bearing Steel |
Description
RNA6915 is a high-precision radial needle roller bearing without inner/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 with BDL branding, it offers reliable performance in industrial machinery.
Basic Info.
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Basic Info
| Inner Diameter | 300 mm |
|---|---|
| Outer Diameter | 380 mm |
| Thickness | 80 mm |
| Model No. | NA4860 |
| Type | Closed Needle Roller Bearing |
| Material | Bearing Steel |
Introduction
This NA4860 closed needle roller bearing features radial load direction, no outer/inner ring design, grease or oil lubrication, and precision ratings from P0 to P2. Made in China with BDL trademark, it offers high load capacity and compact dimensions (300×380×80 mm).
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 | 360 mm |
| Outer Diameter | 440 mm |
| Thickness | 80 mm |
| Model NO. | NA4872 |
| Type | Closed Needle Roller Bearing |
| Material | Bearing Steel |
Introduction
This NA4872 closed needle roller bearing features radial load direction, no inner/outer ring design, grease or oil lubrication, and precision ratings from P0 to P2. Made in China with BDL trademark, it offers high load capacity and compact dimensions (360×440×80 mm).
Basic Info
| Inner Diameter | 170 mm |
| Outer Diameter | 215 mm |
| Thickness | 45 mm |
| Model No. | NA4834 |
| Type | Needle Roller Bearing, Closed |
| Material | Bearing Steel |
Description
High-precision needle roller bearing (NA4834) with radial load direction, no inner/outer ring design. Dimensions: 170×215×45 mm. Made of premium 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 | 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.
Specifications
| Bore Diameter | 100 mm |
| Outer Diameter | 120 mm |
| Width | 35 mm |
| Load Direction | Radial Bearing |
| Precision Rating | P0, P6, P5, P4, P2 |
| Clearance | C0, C3, C4 |
Description
Needle Roller Bearing K9X12X13TN, made of high-quality bearing steel, features a closed design without outer and inner rings. Suitable for radial load applications, it offers multiple precision and clearance options, ensuring reliable performance in demanding environments. Lubricated with grease or oil, ideal for OEM/ODM use.
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 | 68 mm |
| Outer Diameter | 85 mm |
| Thickness | 25 mm |
| Model No. | RNA4912 |
| Type | Needle Roller Bearing, Closed |
| Material | Bearing Steel |
High-precision RNA4912 needle roller bearing with radial load capacity. Features no inner/outer ring design, grease or oil lubrication, and P0–P2 precision ratings. Made in Japan by IKO, ideal for compact, high-load applications.
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.
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 | 22 mm |
|---|---|
| Outer Diameter | 30 mm |
| Thickness | 13 mm |
| Model No. | RNA4903 |
| Type | Needle Roller Bearing, Closed, Without Outer & Inner Ring |
| Material | Bearing Steel |
Introduction
RNA4903 is a high-precision radial needle roller bearing made of bearing steel. Compact size (22×30×13 mm), grease/oil lubricated, available in P0–P2 precision and C0–C4 clearance. Ideal for OEM/ODM applications with fast delivery (3–7 days).
Basic Info.
| Inner Diameter | 45 mm |
| Outer Diameter | 68 mm |
| Thickness | 40 mm |
| Load Direction | Radial Bearing |
| Type | Closed Needle Roller Bearing |
| Material | Bearing Steel |
Introduction
NA6909 is a high-precision radial needle roller bearing without inner/outer rings, made of premium bearing steel. It features compact dimensions (45×68×40 mm), closed design, grease/oil lubrication, and supports precision grades P0–P2 and clearances C0–C4. Ideal for OEM/ODM applications with fast 3–7 day delivery.

















