NU 2228 EM C3 RICH Cylindrical Roller Bearing - 140 x 250 x 68 mm
Technical Specifications:
- Catalog Code: NU 2228 EM C3 RICH
- Brand: RICH
- Type: Single row cylindrical roller bearing (NU Design)
- Dimensions: 140 x 250 x 68 mm
- Inner Diameter (d): 140 mm
- Outer Diameter (D): 250 mm
- Width (B): 68 mm
- Execution: Reinforced (E)
- Cage Material: Machined Brass (M)
- Internal Clearance: C3 (Greater than normal)
- Weight: 13.88 kg
- Country of Origin: China
Key Performance Advantages:
- Reinforced Execution (E): Internal design optimized for higher load ratings, utilizing larger and more numerous rollers.
- C3 Internal Clearance: Provides additional radial space to prevent seizing during thermal expansion at high operating temperatures.
- High-Strength Brass Cage (M): Machined brass construction offers superior stability and durability compared to standard steel cages under vibration.
- Axial Displacement Capacity: The flangeless inner ring (NU design) allows the shaft to move axially relative to the housing, accommodating thermal growth.
Transparency Note: This product is manufactured under the RICH brand. The code NU 2228 EM C3 is used for identification purposes and does not imply affiliation with other manufacturers.
