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Super Precision Angular Contact Ball Bearings S7208 CD/P4ADGB

Super Precision Angular Contact Ball Bearings S7208 CD/P4ADGB

The S7208 CD/P4ADGB is a super precision angular contact ball bearing with a 40mm bore and 80mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 12442 lbf and operates smoothly at speeds up to 41000 RPM.

Its sealed design keeps grease in and contaminants out, while the phenolic cage ensures quiet, long-lasting performance. The bearing works well in temperatures from -30°C to 110°C.

This model is part of a matched set, allowing flexible arrangements like back-to-back or face-to-face mounting. Ideal for high-precision applications such as machine tools or spindle drives.

Weighing 0.75kg, it offers a balance of strength and precision. Compliant with P4A tolerance class for exceptional accuracy.

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Product Parameters

  • Part Number S7208 CD/P4ADGB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 40 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 80 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 36 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 14
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement Universal matching
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 12442 lbf
  • Static Radial Load 10800 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.75 kg
Super Precision Angular Contact Ball Bearings S7208 CD/P4ADGB dimension drawing
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Features

Performance Features of S7208 CD/P4ADGB Bearing

S7208 CD/P4ADGB Bearing is designed with a 15° contact angle, offering precise angular contact performance.
Its chrome steel rings and balls provide excellent durability and load-bearing capacity.

The sealed design and grease lubrication ensure smooth operation, even at high speeds up to 41,000 rpm.
Phenolic cage material enhances stability and reduces friction during rotation.

With universal matching capability, S7208 CD/P4ADGB Bearing can be arranged back-to-back, face-to-face, or tandem.
This flexibility makes it suitable for various precision applications requiring high-speed performance.

The bearing’s P4A tolerance class ensures superior precision and reliability.
Its dynamic radial load capacity of 12,442 lbf makes it ideal for demanding industrial uses.

Application

Common Applications of S7208 CD/P4ADGB Bearing
S7208 CD/P4ADGB Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The sealed construction keeps contaminants out, making it suitable for demanding workshop environments.

In automotive applications, S7208 CD/P4ADGB Bearing supports high-speed components like turbochargers and electric motor shafts. Its universal matching feature allows flexible installation in various configurations.

For medical imaging devices, S7208 CD/P4ADGB Bearing’s phenolic cage and grease lubrication provide quiet, smooth operation. The P4A tolerance class ensures consistent performance in sensitive diagnostic equipment.

Automation systems benefit from S7208 CD/P4ADGB Bearing’s light preload and high-speed capability, ideal for robotic arms and CNC machinery. The chrome steel construction offers durability in continuous operation.

In aerospace applications, S7208 CD/P4ADGB Bearing handles both radial and axial loads in aircraft components. Its temperature range makes it reliable under varying flight conditions.

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