Swivel cable pulleys with pulley block and plain bearings

The dimensions correspond to the following drive mechanism groups in accordance with DIN 15020, sheet 1:
for manual operation: 1 Bm
for motor-driven operation: 1 Am or 2m depending on use
Cable pulley: cable-Ø = 21 - 40 x cable-Ø (relative to cable centreline)
Bearings: cable pulley
Pulley block: maintenance-free, self-lubricating bearings
Material: cable pulley GG 20, steel fixing plate and pulley holder 

Typ WZ 31 WZ 32 WZ 32,5 WZ 33 WZ 33,5 WZ 34
max. cable load per pulley
kg manual operation 250 500 750 1000 1500 2000
kg power operation 125 250 375 500 750 1000
specified cable diameter- Ø mm 4-5 5-6 6-8 8-10 10-12 12-14
Dimensions in mm Ø a 120 150 190 235 280 325
Ø b 100 125 160 200 240 280
   g 100 140 140 160 180 220
   h 130 200 210 260 310 330
   i 120 170 170 200 220 270
   k 150 230 240 300 350 380
   l 6 8 10 12 14 16
   m 112 142 165 199 239 277
Ø n 11,5 11,5 14 18 18 22
   p 32 45 47 59 66 68