+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
Super Precision Angular Contact Ball Bearings 71908 CD/P4ATBTC

Super Precision Angular Contact Ball Bearings 71908 CD/P4ATBTC

The 71908 CD/P4ATBTC is a super precision angular contact ball bearing with a 40mm bore and 62mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 5962 lbf and operates smoothly at high speeds, reaching up to 56,000 RPM.

Its 15° contact angle and matched set of three bearings (arranged TBT) provide stable performance under moderate preload. The open design and phenolic cage ensure reliability and easy maintenance.

Ideal for precision applications like machine tool spindles or high-speed robotics, where accuracy is key. It works in temperatures from -30°C to 110°C and is interchangeable with SKF bearings.

Weighing 0.33kg, this bearing offers a balance of strength and precision. Its P4A tolerance class guarantees consistent performance in demanding conditions.

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

Product Parameters

  • Part Number 71908 CD/P4ATBTC
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 40 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 62 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 36 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 21
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 3 bearings <>> TBT
  • Number Of Bearings In Matched Set 3
  • Universal Matching Bearing No
  • Preload Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 5962 lbf
  • Static Radial Load 5738 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 56000 rpm
  • Weight 0.33 kg
Super Precision Angular Contact Ball Bearings 71908 CD/P4ATBTC dimension drawing
Download DWG Download PDF

Features

Why Choose 71908 CD/P4ATBTC Bearing for Precision Tasks?

71908 CD/P4ATBTC Bearing features a 15° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and balls ensure durability and smooth operation under radial loads up to 5962 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance at speeds up to 56,000 rpm.
With a matched arrangement of three bearings, it provides stable and reliable operation in demanding conditions.

71908 CD/P4ATBTC Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its moderate preload (Class C) ensures consistent performance without excessive wear.

The open design allows for easy lubrication, extending maintenance intervals.
Precision tolerances (P4A) make it ideal for applications requiring high accuracy.

Application

Industrial Uses of 71908 CD/P4ATBTC Bearing
71908 CD/P4ATBTC Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The moderate preload helps maintain stability during heavy cutting operations.

In robotics, 71908 CD/P4ATBTC Bearing supports articulated arms, providing smooth movement and precise positioning. Its phenolic cage reduces friction, making it ideal for repetitive tasks.

For aerospace applications, 71908 CD/P4ATBTC Bearing handles both radial and axial loads in aircraft components. The P4A tolerance class guarantees consistent performance under demanding conditions.

Where Is 71908 CD/P4ATBTC Bearing Used?
You’ll find 71908 CD/P4ATBTC Bearing in dental drills, where its high-speed capability and precision are essential. The chrome steel construction ensures durability in sterile environments.

In packaging machinery, 71908 CD/P4ATBTC Bearing enables smooth operation of conveyor belts and sorting systems. Its matched arrangement reduces vibration, improving overall efficiency.

Built for Heavy-Duty Use: 71908 CD/P4ATBTC Bearing
71908 CD/P4ATBTC Bearing excels in wind turbine gearboxes, handling variable loads with ease. The open design allows for easy relubrication, extending service life.

For semiconductor manufacturing, 71908 CD/P4ATBTC Bearing provides reliable performance in cleanroom conditions. Its low friction characteristics minimize particle generation.

Automotive vs Aerospace: Applications of 71908 CD/P4ATBTC Bearing
In automotive testing rigs, 71908 CD/P4ATBTC Bearing ensures precise measurements during durability tests. The metric sizing makes it compatible with European engineering standards.

For satellite components, 71908 CD/P4ATBTC Bearing offers the necessary precision for antenna positioning systems. Its temperature range suits both terrestrial and orbital conditions.

Q&A

SEND INQUIRY