BTN Series

40-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 :40
D :90
B :23
Designation :7308B
Basic Load Ratlngs(kN)
Cr :46.5
Cor :29.5
Limited Speed(rpm)
Grease :6300
Oil :8500