BTN Series

20-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 :20
D :52
B :15
Designation :7304B
Basic Load Ratlngs(kN)
Cr :17.3
Cor :9.6
Limited Speed(rpm)
Grease :11000
Oil :15000