- NOKS INTERNATIONAL TRADE GROUP LIMITED.
- Email : info@noksbearings.com
- © 2025 noksbearings sitemap
SKF Inner Rings are precision-engineered core components of rolling bearings, designed to work in tandem with rolling elements (balls, rollers) and outer rings to enable smooth rotational motion under load. These critical components transfer radial and axial forces from rotating shafts to stationary housings while maintaining alignment and minimizing friction. Manufactured to exacting tolerances using advanced metallurgy, SKF inner rings ensure optimal bearing performance, longevity, and reliability across industries ranging from automotive and aerospace to heavy machinery and renewable energy systems.
Applications & Industry Use Cases
SKF Inner Rings are integral to rotating systems requiring precision and durability:
Wheel Hub Units: High-precision inner rings for tapered roller bearings in passenger/EV vehicles.
Transmission Gearboxes: Carburized steel rings for high-cycle fatigue resistance.
Electric Motor Bearings: Low-noise designs for high-speed spindles.
Steel Rolling Mills: Extra-heavy-duty rings for 4-row cylindrical roller bearings.
Jet Engine Shafts: Ceramic hybrid rings for high-temperature turbine applications.
Helicopter Rotor Systems: Corrosion-resistant stainless variants for marine operations.
Wind Turbine Gearboxes: Large-diameter rings (500+ mm) for multi-MW generators.
Hydroelectric Generators: Water-resistant coatings for humid environments.
Precision Linear Guides: Miniature rings for high-accuracy motion systems.
Food Processing: FDA-compliant stainless steel rings for hygienic environments.
SKF Inner Rings represent the pinnacle of bearing component engineering, delivering unmatched precision, durability, and adaptability. From high-speed EV motors to gigawatt-scale wind turbines, these critical components ensure reliable power transmission while reducing maintenance costs and downtime. Backed by SKF’s global technical network and century-long expertise, they provide a future-proof solution for industries demanding peak performance in extreme operating conditions. Whether as standalone replacements or integrated into complete bearing assemblies, SKF Inner Rings exemplify engineering excellence and sustainable innovation
| Designation | Bore diameter | Outside diameter | Width | Mass |
|---|---|---|---|---|
45.0 mm |
52.0 mm |
40.0 mm |
0.167 kg |
|
45.0 mm |
55.0 mm |
22.0 mm |
0.13 kg |
|
30.0 mm |
35.0 mm |
13.0 mm |
0.025 kg |
|
30.0 mm |
35.0 mm |
17.0 mm |
0.032 kg |
|
30.0 mm |
35.0 mm |
26.0 mm |
0.05 kg |
|
30.0 mm |
38.0 mm |
20.0 mm |
0.065 kg |
|
32.0 mm |
40.0 mm |
20.0 mm |
0.068 kg |
|
35.0 mm |
43.0 mm |
22.0 mm |
0.09 kg |
|
40.0 mm |
45.0 mm |
17.0 mm |
0.043 kg |
|
40.0 mm |
45.0 mm |
20.5 mm |
0.053 kg |
|
42.0 mm |
47.0 mm |
20.0 mm |
0.0505 kg |
|
42.0 mm |
47.0 mm |
30.0 mm |
0.081 kg |
|
45.0 mm |
52.0 mm |
22.0 mm |
0.089 kg |
|
55.0 mm |
60.0 mm |
35.0 mm |
0.121 kg |
|
55.0 mm |
63.0 mm |
45.0 mm |
0.256 kg |
|
60.0 mm |
68.0 mm |
45.0 mm |
0.278 kg |
|
80.0 mm |
90.0 mm |
30.0 mm |
0.304 kg |
|
80.0 mm |
90.0 mm |
54.0 mm |
0.55 kg |
|
85.0 mm |
100.0 mm |
35.0 mm |
0.58 kg |
|
85.0 mm |
100.0 mm |
63.0 mm |
1.05 kg |
|
90.0 mm |
105.0 mm |
35.0 mm |
0.61 kg |
|
45.0 mm |
50.0 mm |
20.5 mm |
0.059 kg |
|
70.0 mm |
80.0 mm |
35.0 mm |
0.313 kg |
|
70.0 mm |
80.0 mm |
54.0 mm |
0.487 kg |