Cylindrical crane reducers C2-250 … C2-1000

They allow the mechanism to function even under the highest loads

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Two-stage cylindrical crane gearbox C2 (C2-250, C2-300, C2-350, C2-400, C2-500, C2-650, C2-750, C2-1000) is used in lifting machines, as well as for changing torques and rotation frequency as a component of various types of mechanisms.

The use of this standard size is allowed in temperate climates (U), arid and humid tropical places (T). It is allowed to use outdoors under a canopy in closed rooms with a regulated microclimate.

Conditions of use:

  • rotation of shafts in both directions;
  • climatic conditions U, T, accommodation category-2,3 according to GOST 15150-69;
  • non-aggressive environment, moderate dustiness and humidity;
  • input shaft rotation frequency – no more than 1500 rpm;
  • the recommended use is the range of gear ratios from 8 to 50.

Main technical characteristics of C2 gearboxes

Name
technical characteristics 
Unit
measurement
Type size
C2-250C2-300C2-350C2-400C2-500C2-650C2-750C2-1000
Transmission numbers 8; 10; 12,5; 16; 20; 25; 31,5; 40; 50
Allowable radial cantilever load
on the idler shaft
R63008000100001000014000200003200080000
Nominal torque,
on the output shaft
N.t8251180175033505450145002300054000
Efficiency%0,96
Маsskg87138210315500110016503700

Overall and connecting dimensions 

Тype sizeАмасAwbА1БХH1chh1LL1L2L3L4L5dp
C2-2501501002852102603101601851540075183220280224
C2-3001751253502503003621902262047590215255300264
C2-35020015040028033041021225700550100238300345266
C2-40025015050032038050526527805640150286325375336
C2-50030020064036044059831530985785190340390445396
C2-65040025078047056069531536951270910190443480550398
C2-7504503009005606507833554010014551040225494570645468
C2-1000600400120076086010184504515519051400300645740805528

Connecting dimensions of conical shafts

Тype sizehigh-speed shaftidler shaft
dd1ll1btdd1ll1bt
C2-25030М20х1,58058515,5565М42х3,01401051633,88
C2-30035М20х1,58058618,5575M48x3.01401051838,88
C2-35040М24х2,0110821020,985М56х4,01701302043,75
C2-40050М36х3,0110821225,9595М64х4,01701302248,75
C2-50060М42х3,01401051631,38110М80х4,02101652555,88
C2-65070M48x3.01401051836,38140М100х4,02502003272
C2-75080М56х4,01701302041,25170М125х4,03002404088
C2-1000100М72х4,02101652550,88220М140х4,035028050114

Connecting dimensions of low-speed cylindrical shafts

Type sizeidler shaft
dd1d2ll1btpL
C2-25065r632M101052018712255
C2-30075r650M121052220822280
C2-35085r650M121302222932320
C2-40095r650M1213022251042350
C2-500110s680M1216522281203410
C2-650140s680M1220022361523510
C2-750170s6105М1624026401843595
C2-1000220s6140М2028032502373745

Connecting dimensions of the low-speed shaft in the form of a toothed half-coupling

Type sizebdd1d2Lll1Engaging
мz
C2-2502014772F8951988383,540
C2-3002521080F81052279,550540
C2-35030252110F81402551060640
C2-40030252110F81402801060640
C2-50040336150F82153301565840
C2-65050420160F823041015701040
C2-75060504200F829048020901240
C2-100080672320F8445645251301640

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