BTN Series

105-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 :105
D :190
B :36
Designation :7221B
Basic Load Ratlngs(kN)
Cr :143.3
Cor :128.5
Limited Speed(rpm)
Grease :2800
Oil :3800