Customizable Heavy-Duty AXK5578–AXK75100 Needle Roller Bearings
Basic Info.
| Inner Diameter | 70 mm |
| Outer Diameter | 95 mm |
| Thickness | 4 mm |
| Model NO. | AXK5578 |
| Type | Closed Needle Roller Bearing |
| Material | Bearing Steel |
High-precision needle roller bearing without inner/outer ring, designed for radial load applications. Features grease or oil lubrication, P0–P2 precision ratings, and C0–C4 clearance options. Made in China, HS Code 8482102000.
Basic Info.
Related Products
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.
Product Parameters
| Bore Diameter | Different models and sizes |
| Outer Diameter | Different models and sizes |
| Width | Different models and sizes |
| Material | Bearing Steel |
| Precision Rating | P0, P6, P5, P4, P2 |
| Clearance | C0, C2, C3, C4, C5 |
Description
High precision radial bearing without inner ring, offering long service life and low noise performance. Suitable for various industrial applications with OEM/ODM service available. Made in China, packed in neutral packaging.
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 | 120 mm |
|---|---|
| Outer Diameter | 165 mm |
| Thickness | 45 mm |
| Model No. | NA4924 |
| Type | Needle Roller Bearing, Closed, Without Outer/Inner Ring |
| Material | Bearing Steel |
Introduction
High-precision needle roller bearing (NA4924) with radial load capacity, grease/oil lubrication, P0–P2 precision ratings, C0–C4 clearance options. Compact 120×165×45 mm design, made in China, OEM/ODM supported.
Basic Info.
| Inner Diameter | 30 mm |
| Outer Diameter | 47 mm |
| Thickness | 17 mm |
| Model No. | NA4906 |
| Type | Needle Roller Bearing, Closed, Without Outer/Inner Ring |
| 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. Fast delivery (3–7 days) and certified with HS code 8482102000.
Basic Info.
| Inner Diameter | 52 mm |
| Outer Diameter | 68 mm |
| Thickness | 22 mm |
| Model No. | RNA4909 |
| Type | Needle Roller Bearing, Closed |
| Material | Bearing Steel |
Introduction
This RNA4909 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 (52×68×22 mm).
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.
| Model NO. | KR30 KR32 KR35 KR40 KR47 |
| Material | Bearing Steel |
| Precision Rating | P0 P6 P5 P4 |
| Vibration Level | Z1 Z2 Z3 Z4 |
| Feature | Long Life, High Speed, Low Noise |
| Origin | China |
Introduction
High-precision angular contact ball bearings with robust bearing steel construction, designed for long life, high-speed operation and low noise. Available in multiple sizes (KR30–KR47) and precision grades (P0 to P4), compliant with international standards. Made in China, suitable for OEM/ODM applications.
Basic Specifications
| Inner Diameter | 68 mm |
| Outer Diameter | 85 mm |
| Thickness | 25 mm |
| Model No. | RNA4912 |
| Type | Needle Roller Bearing, Closed, Without Outer/Inner Ring |
| Material | Bearing Steel |
Product Description
This IKO RNA4912 needle roller bearing is a high-precision radial bearing made of bearing steel. Compact design (68×85×25 mm), closed type, suitable for grease or oil lubrication. Features P0–P2 precision grades and C0–C4 clearance options. OEM/ODM supported. Made in Japan.
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.
Basic Info
| Inner Diameter | 360 mm |
| Outer Diameter | 440 mm |
| Thickness | 80 mm |
| Model No. | NA4872 |
| Type | Needle Roller Bearing, Closed, Without Outer & Inner Ring |
| Material | Bearing Steel |
Introduction
High-precision needle roller bearing (NA4872) with radial load capacity. Made of premium bearing steel, closed design, grease/oil lubricated. Dimensions: 360×440×80 mm. Suitable for OEM/ODM applications. Precision ratings P0–P2; clearances C0–C4. Fast delivery (3–7 days) from China.
Basic Info
| Inner Diameter | 70 mm |
| Outer Diameter | 100 mm |
| Thickness | 30 mm |
| Model No. | NA4914 |
| Type | Needle Roller Bearing, Closed, Without Outer/Inner Ring |
| Material | Bearing Steel |
Description
High-precision needle roller bearing (NA4914) with dimensions 70×100×30 mm. Designed for radial load applications. Made of premium bearing steel, sealed type, grease or oil lubricated. Available in precision grades P0–P2 and clearances C0–C4. OEM/ODM supported. Made in China.