Space-saving heavy lifters. Featuring thin, long rollers, these bearings are ideal for applications requiring high load capacity in a compact radial space, such as automotive transmissions, compressors, and pump applications.
We supply premium needle roller bearings, including IKO and other leading international brands, conforming to your choice. From drawn-cup shell types (HK series) to heavy-duty solid inner ring versions (NA series), we guarantee 100% genuine certifications.
Standard dimensional parameters for popular drawn cup and solid needle series.
| Bearing Model | Bore (d) | Outer Dia (D) | Width (C) | Dynamic Load (Cr) | Static Load (Cor) | Limiting Speed (Grease) | Needle Roller Length |
|---|---|---|---|---|---|---|---|
| HK 0808 | 8 mm | 12 mm | 8 mm | 3.5 kN | 3.8 kN | 24,000 RPM | Compact shell |
| HK 1010 | 10 mm | 14 mm | 10 mm | 4.8 kN | 5.6 kN | 22,000 RPM | Compact shell |
| HK 1210 | 12 mm | 18 mm | 10 mm | 6.1 kN | 7.2 kN | 20,000 RPM | Compact shell |
| HK 1512 | 15 mm | 21 mm | 12 mm | 7.8 kN | 9.8 kN | 17,000 RPM | Compact shell |
| HK 2016 | 20 mm | 26 mm | 16 mm | 12.8 kN | 18.6 kN | 13,000 RPM | Compact shell |
| NA 4902 | 15 mm | 28 mm | 13 mm | 11.2 kN | 14.0 kN | 16,000 RPM | Solid Machined |
| NA 4904 | 20 mm | 37 mm | 17 mm | 19.5 kN | 24.5 kN | 13,000 RPM | Solid Machined |
| NA 4906 | 30 mm | 47 mm | 18 mm | 24.8 kN | 36.5 kN | 10,000 RPM | Solid Machined |
* Drawn cup cage-guided variants are standard. Full complement cage-less models can be supplied for slow-speed high loads.
Understanding the technical suffixes, clearance prefixes, and material ratings used in industrial procurement.
Critical engineering parameters, structure details, and operating limits to help you select the ideal component.
Drawn cup needle rollers offer the thinnest radial cross-section of all rolling bearings. Ideal for compact machinery setups where radial envelope space is highly restricted.
By selecting RNA style bearings, the rolling needles run directly on a hardened and ground shaft. This completely eliminates the inner ring, saving dynamic space and assembly weight.
Supports high radial loads relative to its compact thickness. Heavily used in vehicle transmissions, motorcycle engines, universal joints, textile machinery, and printer rollers.
These bearings are engineered to deliver reliable rotation and support critical equipment in harsh sectors, including:
Provides high load capacity in minimal radial space inside compact automotive gearboxes.
Supports oscillating rocker arm pivots inside high-RPM internal combustion engines.
Sustains high pressures inside gear pumps and compact axial piston pumps.
Fits inside the tight gear housings of hand drills, angle grinders, and chainsaws.
Technical details, selection parameters, and service queries resolved by our engineering sales team.