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High Performance Shaft Mounted Gearbox for Sale - Top China Suppliers & Factory, Ideal for Quarry and Mining Applications
Working Principle
Characteristic and feature of shaft mounted gearbox
Housing material: HT250 high-strength cast iron
Housing hardness: HBS190-240
Gear material: 20CrMnTi alloy steel
Surface hardness of gears: HRC58°~62°
Gear core hardness: HRC33~40
Input / Output shaft material: 42CrMo alloy steel
Input / Output shaft hardness: HRC25~30
Machining precision of gears: accurate grinding, 6~5 Grade
Lubricating oil: GB L-CKC220-460, Shell Omala220-460
Efficiency: 98%
Technical parameters of shaft mounted gearbox
| Shaft Mounted Reducer | Output Shaft Bore [mm] | Ratio (i) | Rated torque |
|---|---|---|---|
| 35 | Φ35 | 5, 10, 15, 20, 25 | 420 N.m |
| 40 | Φ40 | 5, 10, 12.5, 15, 20, 25 | 900 N.m |
| Φ45 | |||
| 45 | Φ45 | 5, 10, 12.5, 15, 20, 25 | 1400 N.m |
| Φ50 | |||
| Φ55 | |||
| 50 | Φ50 | 5, 10, 12.5, 15, 20, 25 | 2300 N.m |
| Φ55 | |||
| Φ60 | |||
| 60 | Φ60 | 5, 10, 12.5, 15, 20, 25 | 3600 N.m |
| Φ70 | |||
| 70 | Φ70 | 5, 10, 12.5, 15, 20, 25, 31 | 5100 N.m |
| Φ85 | |||
| 80 | Φ80 | 5, 10, 12.5, 15, 20, 25, 31 | 7000 N.m |
| Φ100 |
Some Of Our Product
Frequently Asked Questions (FAQ)
What materials are used for the housing and gears of the shaft mounted gearbox?
The housing is constructed from HT250 high-strength cast iron (hardness HBS190-240), while the gears are made of 20CrMnTi alloy steel with a surface hardness of HRC58°~62° and a core hardness of HRC33~40.
What is the transmission efficiency of this shaft mounted gearbox?
The gearbox is designed for high performance, delivering an outstanding transmission efficiency of up to 98%.
What kind of lubricating oil is recommended for operation?
We recommend using GB L-CKC220-460 or Shell Omala220-460 lubricating oil to ensure optimal performance and long service life.
What are the available gear ratios and output shaft bore sizes?
The gear ratios range from 5 to 31, depending on the model. Output shaft bore sizes range from Φ35mm up to Φ100mm to accommodate various industrial application requirements.
What is the rated torque capacity of the shaft mounted reducer?
The rated torque capacity starts at 420 N.m for smaller models (like the 35 series) and goes up to 7000 N.m for larger heavy-duty models (like the 80 series).



