Kolos SK 6 is a popular Soviet grain harvester manufactured by the Taganrog Combine Plant. The technique looks very impressive and resembles a huge ship with 2 large bunkers placed on the sides.
The Kolos SK 6 harvester was actively used in agriculture. The technique confidently collected grain crops, the threshing process of which caused difficulties for most combines of that time. The Kolos SK 6 models raised the ears and cut them at the root, after which the threshing began. The resulting mass entered a bunker with 2 storage sections, where it was stored until it was loaded into a car.

Bearing installation locationBearing numberSizeBearing typeQuantity
Drum, drive shaft11312 К60x140x50Ball radial spherical double row with adapter sleeve4
Undercarriage variator pulley block30840×90×23Single-row radial ball2
Lower header variator shaft810945x65x14Single thrust ball2
Driving crankshaft, driven crankshaft380507Single-row radial ball10
Header counter drive shaft, header knife rocker, tension pulley, unloading auger drive, bunker auger18020630x72x35Single-row radial ball bearing with double-sided sealing6
Header crank shaft180508 К40x80x23Single-row radial ball bearing with double-sided sealing2
Lower conveyor shaft580204 К20x47x14Single-row radial ball bearing with two seals with a spherical outer surface of the outer ring2
Rear Suspension RifleШ2020x35x16Articulated without holes and lubrication grooves4
Cardan drive, hopper auger turn704902 К4С1015,235x28x20Single row radial needle roller without inner ring and cage12
Transmission30630×72×19Single-row radial ball3
Transmission309 К45×100×25Single-row radial ball1
Transmission5020630x62x16Single row radial ball bearing with a groove on the outer ring1
Transmission5020840x80x18Single row radial ball bearing with a groove on the outer ring1
Transmission5040840x110x27Single row radial ball bearing with a groove on the outer ring1
Transmission60309 К45×100×25Single row radial ball bearing with one shielding washer1
Transmission180707 С1735x80x26Single-row radial ball bearing with double-sided sealing2
Tachometer drive housing18050112x32x14Single-row radial ball bearing with double-sided sealing1
Drum speed control mechanism2730840х90х25,25Single row tapered roller with large taper angle4
Drive wheel axle21575×130×25Single-row radial ball2
Steering axle7606 КУ30x72x29Single row tapered roller2
Steering axle7609 КУ45x100x38,25Single row tapered roller2
Clutch engagement assembly21155×100×21Single-row radial ball1
Engine clutch41365×160×37Single-row radial ball1
Unloading auger friction clutch84580630x56x76Single row radial roller1
Dispenser pump810420x35x10Single thrust ball1
Dispenser pump942/2020x26x20Needle roller with outer ring with through hole without cage1
Idler pulleys, tension sprockets, small ear auger, left grain elevator, grain elevators, right grain elevator, grain auger, fan speed variator18020420x47x14Single-row radial ball bearing with double-sided sealing24
Hydraulic pump drive6010630x55x13Single row radial ball bearing with one shielding washer1
Hydraulic pump drive6020840x80x18Single row radial ball bearing with one shielding washer1
Drive to chassis131155x120x29Ball radial spherical double row with a cylindrical bore of the inner ring1
Receiving bitter, unloading auger drive, rebound bitter, rear counter drive, driving crankshaft, driven crankshaft, fan, oscillating shaft1680206 КС1730x72x35Single-row radial ball bearing with two shields with a wide inner ring with a spherical outer surface of the outer ring on an adapter sleeve15
Onboard reducer751680x140x33Single row tapered roller2
Onboard reducer7517 К85х150х38,5Single row tapered roller2
Onboard reducer98280735x77x38Roller double row6
Steering63690523,5×36,5×14,8Angular contact ball single row stamped1
Header connecting rod, header counter drive shaft, grain elevator gearbox, grain elevator gearbox, right and left180205 К25x52x15Single-row radial ball bearing with double-sided sealing14
Oscillating shaft connecting rods1580209 К45x85x21Single-row radial ball bearing with two seals with a spherical outer surface of the outer ring2
Hopper auger580306 К30x72x19Single-row radial ball bearing with two seals with a spherical outer surface of the outer ring1
Unloading auger580306 К30x72x19Single-row radial ball bearing with two seals with a spherical outer surface of the outer ring1
Header auger, header feeder chamber upper shaft, rear counter drive, rebound bitter1680207 С1735x80x36Single-row radial ball bearing with two shields with a wide inner ring with a spherical outer surface of the outer ring on an adapter sleeve5
Header auger, small ear auger, grain auger counter drive, ear auger1680205 С1725x62x31Single-row radial ball bearing with two shields with a wide inner ring with a spherical outer surface of the outer ring on an adapter sleeve7
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