7903 CTRNUL P4 RICH High Precision Angular Contact Ball Bearing – 17 × 30 × 7 mm
Technical Specifications:
- Type: Single row angular-contact ball bearing
- Brand: RICH
- Model Designation: 7903 CTRNUL P4 RICH
- Inner Diameter (d): 17 mm
- Outer Diameter (D): 30 mm
- Width (B): 7 mm
- Precision Class: P4 (High precision, superior to P5)
- Contact Angle: 15°
- Preload: Light Preload (L)
- Arrangement: For universal matching (U)
- Cage: Polyamide
- Weight: 0.07 kg
- Sealing: None (Open bearing)
- Country of Origin: China
Performance Characteristics:
- Structural Layout: Single row high-precision radial-axial ball bearing.
- Internal Geometry: 15° contact angle engineered for high rotational speeds and controlled radial-axial thrust.
- Matching Capability: Universal matching design allows for flexible pairing in back-to-back, face-to-face, or tandem sets.
- Material Composition: High-carbon chromium steel rings and rolling elements with a durable polyamide cage.
- Technical Accuracy: P4 tolerance rating ensures extreme running accuracy and low heat generation.
- Dimensional Format: 17 × 30 × 7 mm configuration.
Transparency Note: This bearing is manufactured under the RICH brand. Any OE or interchangeable references are used solely for identification and do not imply affiliation with other manufacturers.
