HK4520 HK/45x55x38 Needle Roller Bearing – High-Load, Precision Factory Direct
Basic Info.
| Inner Diameter | 45 mm |
| Outer Diameter | 52 mm |
| Thickness | 20 mm |
| Model No. | HK4520 |
| Type | Needle Roller Bearing, Closed |
| Material | Bearing Steel |
High-precision needle roller bearing (HK4520) with compact dimensions 45×52×20 mm. Designed for radial load applications. Features closed type construction, grease or oil lubrication, and precision grades P0–P2. Made of high-grade bearing steel, manufactured in China, compliant with HS code 8482102000.
Basic Info.
Related Products
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 | 120 mm |
| Outer Diameter | 140 mm |
| Thickness | 30 mm |
| Model | RNA4822 |
| Type | Needle Roller Bearing, Closed, Without Outer/Inner Ring |
Description
High-precision needle roller bearing made of bearing steel, suitable for radial loads. Features grease or oil lubrication, precision ratings P0–P2, and clearances C0/C3/C4. Compact design (120×140×30 mm), OEM/ODM supported. Made in China, HS Code 8482102000.
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 | 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 or outer rings. Compact size (35×47×17 mm), grease/oil lubricated, and available in P0–P2 precision grades. Ideal for OEM/ODM applications with fast delivery (3–7 days). Made in China, HS Code 8482102000.
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).
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 | 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 | 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 | 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 | 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 | 6 mm |
| Outer Diameter | 16 mm |
| Thickness | 28.2 mm |
| Material | Bearing Steel |
| Lubrication | Grease or Oil |
| Precision Rating | P0, P6, P5, P4, P2 |
Description
Needle Roller Bearing with radial load direction, designed without outer and inner rings. Made of high-quality bearing steel, offering reliable performance in compact spaces. Suitable for various industrial applications requiring high load capacity and precision.