SKF Bearing 7209 ACD P4ADGB Top Notch High Precision Angular Contact Ball Bearing 45 mm Bore 25 Degree Normal Contact Design With Non Metallic Cage Matched Assembly And No Lubricant
✔️ 2-pack angular contact, 45 mm bore, 25°, P4A tolerance
This ultra-precise angular contact ball bearing is designed for back-to-back, face-to-face, and tandem arrangements in precision machinery. With a 45 mm bore and a 25° contact angle, it delivers high rigidity and accurate load handling in spindles, CNC machines, and automated systems. The two-row, matched pair uses a non-metallic cage and is supplied without lubricant for clean-room compatible setups where external lubrication is managed by the system.
✅ Bore diameter: 45 mm (1.77 in)
✅ Outer diameter: 85 mm (3.35 in); Width: 38 mm (1.50 in)
✅ Basic dynamic load rating: 66.3 kN
✅ Basic static load rating: 60 kN
✅ Material: bearing steel; Cage: non-metallic
✅ Contact angle: 25°; Contact type: normal two-point contact
✅ Design: High-capacity D; Matched arrangement: universal matching
✅ Matched set: 2 bearings; Preload: light
✅ Lubricant: None; Sealing: Without
✅ Tolerance: P4A; Ring type: one-piece inner and outer rings
💡 What is an angular contact ball bearing used for in precision machinery and high-speed spindles?
Essentially, this design handles combined radial and axial loads with tight tolerances at high speeds.
- Handy for back-to-back mounting to share loads - Great for face-to-face setups to resist axial shifts under load - Works with light preload and universal matching for flexible configurations - Common in spindles, CNCs, and precision automation equipment