+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
Super Precision Angular Contact Ball Bearings S71909 CDGB/P4A

Super Precision Angular Contact Ball Bearings S71909 CDGB/P4A

The S71909 CDGB/P4A is a super precision angular contact ball bearing with a 45mm bore and 68mm outer diameter, crafted from durable chrome steel. Its compact 12mm width makes it suitable for tight spaces while handling radial loads up to 2925 lbf.

With a 15° contact angle and sealed design, it spins smoothly at speeds up to 46,000 RPM. The phenolic cage ensures quiet operation and the grease lubrication simplifies maintenance.

This bearing is ideal for high-precision applications like machine tool spindles or medical equipment. It can be used in back-to-back, face-to-face, or tandem arrangements for versatile setups.

Weighing just 0.13kg, it meets P4A tolerance standards for exceptional accuracy. Its temperature range of -30°C to 110°C ensures reliable performance in various environments.

Get A Free Quote
    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Part Number S71909 CDGB/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 45 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 68 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 12 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 23
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 3
  • 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 2925 lbf
  • Static Radial Load 2138 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 46000 rpm
  • Weight 0.13 kg
Super Precision Angular Contact Ball Bearings S71909 CDGB/P4A dimension drawing
Download DWG Download PDF

Features

How Is S71909 CDGB/P4A Bearing Engineered for Reliability?

S71909 CDGB/P4A Bearing features a 15° contact angle, optimised for precise angular contact load handling.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and wear.

With a dynamic radial load capacity of 2925 lbf, it performs reliably in high-speed applications.
The sealed design and grease lubrication minimise maintenance, extending its service life.

S71909 CDGB/P4A Bearing operates smoothly at speeds up to 46,000 rpm, maintaining precision.
Its P4A tolerance class guarantees consistent performance in demanding conditions.

Application

Super Precision Angular Contact Ball Bearings S71909 CDGB/P4A is commonly used in high-speed machine tools, where its 15° contact angle ensures accurate radial and axial load distribution. The sealed design helps maintain lubrication, reducing maintenance needs in demanding environments.

In automotive applications, S71909 CDGB/P4A supports components like electric motors and gearboxes, where its light preload enhances performance. The phenolic cage provides stability, even at high rotational speeds.

For automation systems, S71909 CDGB/P4A is ideal for robotic arms and precision actuators, thanks to its P4A tolerance class. The chrome steel construction ensures durability in continuous operation.

Medical imaging devices benefit from S71909 CDGB/P4A’s smooth operation and low noise levels. Its grease lubrication ensures consistent performance in sensitive diagnostic equipment.

In consumer electronics, S71909 CDGB/P4A can be found in high-end printers and scanners, where its compact size and precision are key. The metric sizing makes it compatible with various international designs.

Q&A

SEND INQUIRY