BTN Series

45-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 :45
D :120
B :29
Designation :7409B
Basic Load Ratlngs(kN)
Cr :80.7
Cor :44.1
Limited Speed(rpm)
Grease :4500
Oil :6000