Boston Gear’s 800BR Series helical worm gear drives are heavy duty helical gear drives with long life performance features and simplified maintenance. The 800BR Series comes in double and triple reduction ratios from 8:1 through 900:1 and a maximum 10HP rating.As always, the 800BR Series is available via Reducer Express.
Rated Efficiency
68%
Reduction Type
Double
Ratio
250:1
Series
800BR
Output Bore Shaft Dia.
1.375 in
Output Torque Rating Range [Min]
4000 lb-in, 450 Nm
Input Power Rating
0.75 hp, 0.559 kW
Output Shaft
Hollow O/P
Input Motor HP
0.75
Output Speed
7 rpm
Standard
AGMA Service Class I
Output Torque
4566 lb-in
Mounting Position
M1
Output Torque Rating Range [Max]
4999 lb-in, 549 Nm
Weight
39.1 LB
EAN or UPC
884107032771
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