KR30-KR47 Bolt Type Cam Bearing – Precision Needle Roller Wheel
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 Info.
Related Products
Basic Info.
| Inner Diameter | 110 mm |
| Outer Diameter | 140 mm |
| Thickness | 30 mm |
| Model NO. | NA4822 |
| Type | Closed Needle Roller Bearing |
| Material | Bearing Steel |
Introduction
This NA4822 closed needle roller bearing features radial load direction, no inner/outer ring design, grease or oil lubrication, and high precision options (P0–P2). Made of bearing steel, it measures 110×140×30 mm and is manufactured in China with OEM/ODM service available.
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.
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.
Specifications
| Model No. | HK0509/HK0609 |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Precision Rating | P0, P6, P5, P4, P2 |
| Clearance | C0, C2, C3, C4, C5 |
| Features | High Precision, Long Life, Low Noise |
Description
High-quality radial bearings made from bearing steel, available in multiple models and precision grades. Ideal for industrial applications requiring reliability and durability. OEM/ODM service supported.
Basic Info.
| Inner Diameter | 120 mm |
| Outer Diameter | 140 mm |
| Thickness | 30 mm |
| Model No. | RNA4822 |
| Type | Needle Roller Bearing, Closed |
| Material | Bearing Steel |
Introduction
This RNA4822 needle roller bearing features radial load direction, no inner/outer ring design, and high-precision options (P0–P2). Suitable for compact applications requiring high load capacity and low friction. Lubricated with grease or oil, compliant with HS code 8482102000. Made in China.
Basic Info.
| Inner Diameter | 170 mm |
| Outer Diameter | 215 mm |
| Thickness | 45 mm |
| Model NO. | NA4834 |
| Type | Closed Needle Roller Bearing |
| Material | Bearing Steel |
High-precision needle roller bearing without inner/outer rings, designed for radial load applications. Features grease or oil lubrication, P0–P2 precision grades, C0–C4 clearance options, and compact 170×215×45 mm dimensions. Made in China, OEM/ODM supported.
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 | 125 mm |
| Outer Diameter | 150 mm |
| Thickness | 40 mm |
| Model No. | RNA4922 |
| Type | Needle Roller Bearing, Closed, Without Outer & Inner Ring |
| Material | Bearing Steel |
High-precision needle roller bearing (RNA4922) with radial load capacity. Features compact design (125×150×40 mm), grease/oil lubrication, P0–P2 precision ratings, and C0–C4 clearance options. Made in China, OEM/ODM supported.
Basic Info.
| Inner Diameter | 14 mm |
| Outer Diameter | 22 mm |
| Thickness | 16 mm |
| Type | Needle Roller Bearing |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
Introduction
This needle roller bearing (Model: RNA4900X2A) features compact dimensions (14×22×16 mm), radial load capability, and high-precision options (P0–P2). Made of premium bearing steel, it supports grease or oil lubrication and is ideal for space-constrained applications requiring high load capacity and low friction.
Basic Specifications
| Inner Diameter | 14 mm |
| Outer Diameter | 20 mm |
| Thickness | 12 mm |
| Type | Needle Roller Bearing, Closed, Radial |
| Material | Bearing Steel |
| Origin | China |
Product Description
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. Compact 14×20×12 mm size, OEM/ODM supported.
Basic Info.
| Model NO. | KR13 KR16 KR019 KR22 KR26 |
| 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-performance angular contact ball bearings designed for precision machinery. Made of premium bearing steel with strict precision (P0–P4) and low vibration (Z1–Z4) ratings. Ideal for high-speed, low-noise, long-life applications. OEM/ODM supported. HS Code: 8482102000.
Basic Info.
| Inner Diameter | 415 mm |
| Outer Diameter | 480 mm |
| Thickness | 100 mm |
| Model No. | RNA4876 |
| Type | Needle Roller Bearing, Closed |
| Material | Bearing Steel |
Description
High-precision needle roller bearing (RNA4876) with radial load direction, no inner/outer ring design. Made of bearing steel, grease or oil lubricated. Available in P0–P2 precision and C0–C4 clearance. Compact 415×480×100 mm size, ideal for OEM/ODM applications. Made in China.