K77/KA77/KF77/KAF77 series helical gear reducer has the characteristics of strong versatility, good combination and strong carrying capacity. It has the advantages of easy transmission ratio, high efficiency, small vibration and large radial load of shaft. This series not only can be combined with various reducers and transmissions to meet the requirements, but also facilitates the localization of related transmission equipment.
Electronic Catalog 
PDF Catalog
| Product Description | |
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Features ◆High modular design ◆High loading support, stable transmitting and low noise level. ◆Excellent sealing, wide range of industry application. ◆High efficiency and save power. ◆Save cost and low maintenance. |
Main applied for ◆Harbor and shipping ◆Hoist and transport ◆Electric power ◆Coal mining ◆Cement and construction ◆Paper and light industry ◆Chemical industry and environmental protection |
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Housing material |
Cast iron/Ductile iron |
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Housing hardness |
HBS190-240 |
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Gear material |
20CrMnTi alloy steel |
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Surface hardness of gears |
HRC58*~62。 |
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Gear core hardness |
HRC33~40 |
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Input / Output shaft material |
42CrMo alloy steel |
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Input / Output shaft hardness |
HRC25~30 |
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Machining precision of gears |
accurate grinding, 6~5 Grade |
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Lubricating oil |
GB L-CKC220-460, Shell 0mala220-460 |
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Heat treatment |
tempering, cementiting, quenching, etC. |
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Effciency |
94%~96% (depends on the transmission stage) |
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Noise (MAX) |
60~ 68dB |
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Temp. rise (MAX) |
40°C |
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Temp. rise (OiI)(MAX) |
50°C |
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Vibration |
≤20μm |
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Backlash |
≤20Arcmin |
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Brand of bearings |
China top brand bearing, HRB/LYC/ZWZ/C&U. Or other brands requested,SKF, FAG, INA, NSK. |
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Brand of oil seal |
NAK -- Taiwan or other brands requested |
K series reducer has the following models:
K37 K47 K57 K67 K77 K87 K97 K107 K127 K157 K167 K187
KA37 KA47 KA57 KA67 KA77 KA87 KA97 KA107 KA127 KA157 KA167 KA187
KF37 KF47 KF57 KF67 KF77 KF87 KF97 KF107 KF127 KF157 KF167 KF187
KAF37 KAF47 KAF57 KAF67 KAF77 KAF87 KAF97 KAF107 KAF127 KAF157 KAF167 KAF187
KAZ37 KAZ47 KAZ57 KAZ67 KAZ77 KAZ87 KAZ97 KAZ107 KAZ127 KAZ157 KAZ167 KAZ187
KAT37 KAT47 KAT57 KAT67 KAT77 KAT87 KAT97 KAT107 KAT127 KAT157 KAT167 KAT187
KAB37 KAB47 KAB57 KAB67 KAB77 KAB87 KAB97 KAB107 KAB127 KAB157 KAB167 KAB187
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SIZE |
Shaft Dia (mm) Solid Hallow |
Center Height |
Output Flange Dia.
(mm) |
|
Ratio |
Permissible
Torque(N.m) |
Weight
(KGS) |
|||
| 37 |
φ25k6 |
φ30h7 |
100 |
φ110/160 |
0.18-3.0 |
5.36-106.38 |
200 | 11 | ||
| 47 |
φ30k6 |
φ35h7 |
112 |
φ120/200 |
0.18-3.0 | 5.81-131.87 | 400 | 20 | ||
| 57 |
φ35k6 |
φ40h7 |
132 | φ155/250 | 0.18-5.5 | 6.57-145.14 | 600 | 27 | ||
| 67 |
φ40k6 |
φ40h7 |
140 |
φ155/250 | 0.18-5.5 | 7.14-144.79 | 820 | 33 | ||
| 77 |
φ50k6 |
φ170 |
180 |
φ170/300 |
0.37-11.0 | 7.24-292.18 | 1550 | 57 | ||
| 87 |
φ60m6 |
φ60h7 |
212 | φ215/350 | 0.75-22.0 | 7.19-197.18 | 2700 | 85 | ||
| 97 |
φ70m6 |
φ70h7 |
265 |
φ260/450 |
1.1-30.0 | 8.95-176.05 | 4300 | 130 | ||
|
107 |
φ90m6 |
φ90h7 |
315 |
φ304/450 |
3.0-45.0 | 8.74-141.46 | 8000 | 250 | ||
|
127 |
φ110m6 |
φ100h7 |
375 |
φ350/550 |
7.5-90.0 | 8.68-146.07 | 13000 | 380 | ||
|
157 |
φ120m6 |
φ120h7 |
450 |
φ400/660 |
11.0-160.0 | 12.65-150.41 | 18000 | 610 | ||
|
167 |
φ160m6 |
φ140h7 |
500 |
φ800 |
11.0-200.0 | 17.28-163.91 | 32000 | 1015 | ||
| 187 |
φ190m6 |
φ160h7 |
600 |
φ800 |
18.5-200.0 | 17.27-180.78 | 50000 | 1700 | ||
 K37.pdf |
K47.pdf |
K57.pdf |
K67.pdf |
K77.pdf |
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K87.pdf |
K97.pdf |
K107.pdf |
K127.pdf |
K157.pdf |
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K167.pdf |
K187.pdf |
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