BTN Series

55-BTN Series

BTN Series: Single-row, angular contact ball bearings with a 40° contact angle. Their unique internal design optimizes the position of the balls, enhancing load capacity and rigidity for high-speed applications like electric motors.

  • BTN Series
  • BTN Series
  • BTN Series
  • BTN Series

Dimension and Parameters

Principal Dimensions(mm)
d :55
D :100
B :21
Designation :7211B
Basic Load Ratlngs(kN)
Cr :46.3
Cor :36
Limited Speed(rpm)
Grease :5300
Oil :7000