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Rosta Motorbases MB 100
MB 100 type of Motorbases are self-adjusting universal tensioning devices intended for friction belt drives with drive power in the 90 kW to 250 kW range (motor frame sizes 315 M to 355 L or NEMA frame sizes 449T and 586/7 = 200-350 HP).
The following heavy-duty motor bases are supplied fully assembled and ready for use. The two-part motor plate includes as a standard feature the mounting holes for all the motor frame sizes mentioned above.
MPN: 02 200 900-315M
Specifications
Type | MB 100 × 750 |
Motor Frame Size | IEC 315M |
A | 508 |
B | 548 |
K | 28 |
Weight (kg) | 490 |
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Please Note: Photo may not represent actual item, please refer to title and product specifications for all details.

Rosta Motorbases MB 100
MPN: 02 200 900-315M