Mounting flange diameter, mm

• 68.8 (1) 

  66 (1) 76.2 (1) 82.1 (1) 89 (1)

No./mount. holes

• 2TRF (1) 

  2 TRF / 0 (1) 2TRF / 0 (27) 2TRF / 2 (1) 3TRF / 0 (1) STRF/0 (1)