7207 Angular Contact Ball Bearings
| 7207 Angular Contact Ball Bearings | |||
|---|---|---|---|
| Part Number | 7207 | Weight(Kg) | 0.295 |
| d | 35 | Dynamic Load Co(N) | 30400 |
| D1 | 72 | Static Load Cor(N) | 20100 |
| B | 17 | Grease Speed | 14000 |
| R | 1.1 | Oil Speed | 19000 |
7207 Angular Contact Ball Bearing | 7207C / 7207AC / 7207B
The 7207 angular contact ball bearing is a widely used single-row high-precision rolling bearing designed to handle combined radial and axial loads. It features low friction, low noise and consistent high-speed stability, ideal for medium-load precision transmission and industrial automation equipment. Available in 7207C, 7207AC and 7207B contact angle types, as well as bearing steel and stainless steel materials, this bearing operates reliably in dry, humid and mildly corrosive working environments.
Difference Between 7207C, 7207AC and 7207B
7207C (15° Contact Angle): Equipped with a 15° contact angle, offering ultra-low friction and superior high-speed performance. It maintains high rotational precision with moderate axial load capacity, suitable for high-speed spindles and precision high-speed machinery.
7207AC (25° Contact Angle): Adopts a 25° contact angle with balanced radial and axial load resistance. Featuring stable composite load performance and strong versatility, it serves as the universal cost-effective option for most precision industrial machinery.
7207B (40° Contact Angle): Designed with a 40° large contact angle for enhanced axial load capacity. It steadily withstands heavy axial thrust at low to medium speeds, perfect for equipment with offset loads and heavy axial force.
Material Differences: Bearing Steel vs Stainless Steel
Bearing Steel (GCr15): GCr15 bearing steel is the standard material for 7207 series bearings. Professional heat treatment provides high hardness, excellent wear resistance and strong fatigue resistance, ensuring stable precision and long service life in conventional dry industrial conditions.
Stainless Steel: Stainless steel 7207 bearings deliver outstanding rust-proof, oxidation and weak corrosion resistance. They effectively resist moisture, humid air and minor contamination to prevent precision loss and corrosion failure, ideal for food machinery, medical equipment and high-humidity sanitary scenarios.
Product Features
Supports multi-directional combined radial and axial loads. Three contact angle specifications cover high-speed, universal and heavy axial load working conditions. Ensures high precision, smooth rotation and low-noise operation. Dual material options balance cost performance and anti-corrosion ability. Standard compact structure enables easy installation and replacement.
Application Scenarios
7207 series angular contact ball bearings are widely applied in precision motors, machine tool spindles, industrial pumps, compressors and automated precision machinery. Bearing steel models fit conventional indoor industrial equipment; stainless steel versions adapt to damp, sanitary and lightly corrosive environments. 7207C suits high-speed precision operation, 7207AC for general universal use, and 7207B for heavy axial load equipment.
