Bevel Gear Drives

Boston Gear offers three styles of quality bevel gear drives, each designed with the durability and versatility to suit your application:

RA Right 90 Series
RA “Right 90” Series – These compact spiral bevel gear drives are available in 1:1 and 2:1 versions with either single or double projecting output shafts. Ratings from 0.1 to 3.5 horsepower.

bevel helical gears

Part NumberShaft ArrangementRatioTorque RatingOutput HPOutput RPM
RA10212-WAY SHAFT1:1541.51750
RA10222-WAY SHAFT1:2400.55875
RA10313-WAY SHAFT1:1541.51750
RA10323-WAY SHAFT1:2403.5875
RA15212-WAY SHAFT1:11253.51750
RA15222-WAY SHAFT1:21321.8875
RA15313-WAY SHAFT1:11253.51750
RA15323-WAY SHAFT1:21323.5875
RA6212-WAY SHAFT1:1120.331750
RA6222-WAY SHAFT1:29.50.13875
RA6313-WAY SHAFT1:1120.331750
RA6323-WAY SHAFT1:29.50.13875

Click on link below to see Drawings and Specs:
Boston Gear Drive – Bevel Gear Right 90 Series PDF

R100/R200 & VR100/VR200
R100/R200 & VR100/VR200 – Four sizes of spiral bevel gear drives with ratings from 2 to 50 horsepower. Horizontal and vertical models are available.

SpiralBevelA

Part NumberStyleRatioTorque Rating (LB-IN)Output HP (Class I)
R131-AM1Horizontal1:11514.2
R131-BM1Horizontal1:11514.2
R131-CM1Horizontal1:11514.2
R137-AM1Horizontal1:13188.8
R137-BM1Horizontal1:13188.8
R137-CM1Horizontal1:13188.8
R146-AM1Horizontal1:190525.1
R146-BM1Horizontal1:190525.1
R146-CM1Horizontal1:190525.1
R158-AM1Horizontal1:1183450.9
R158-BM1Horizontal1:1183450.9
R158-CM1Horizontal1:1183450.9
R231-AM1Horizontal2:11582.2
R231-BM1Horizontal2:11582.2
R231-CM1Horizontal2:11582.2
R237-AM1Horizontal2:12673.7
R237-BM1Horizontal2:12673.7
R237-CM1Horizontal2:12673.7
R246-AM1Horizontal2:187812.2
R246-BM1Horizontal2:187812.2
R246-CM1Horizontal2:187812.2
R258-AM1Horizontal2:1162022.6
R258-BM1Horizontal2:1162022.6
R258-CM1Horizontal2:1162022.6
VR131-DM1Vertical1:11514.2
VR131-EM1Vertical1:11514.2
VR131-FM1Vertical1:11514.2
VR131-GM5Vertical1:11514.2
VR131-HM5Vertical1:11514.2
VR131-JM5Vertical1:11514.2
VR131-NM5Vertical1:11514.2
VR131-PM5Vertical1:11514.2
VR131-QM5Vertical1:11514.2
VR137-DM1Vertical1:13188.8
VR137-EM1Vertical1:13188.8
VR137-FM1Vertical1:13188.8
VR137-GM5Vertical1:13188.8
VR137-HM5Vertical1:13188.8
VR137-JM5Vertical1:13188.8
VR137-NM5Vertical1:13188.8
VR137-PM5Vertical1:13188.8
VR137-QM5Vertical1:13188.8
VR146-DM1Vertical1:190525.1
VR146-EM1Vertical1:190525.1
VR146-FM1Vertical1:190525.1
VR146-GM5Vertical1:190525.1
VR146-HM5Vertical1:190525.1
VR146-JM5Vertical1:190525.1
VR146-NM5Vertical1:190525.1
VR146-PM5Vertical1:190525.1
VR146-QM5Vertical1:190525.1
VR158-DM1Vertical1:1183450.9
VR158-EM1Vertical1:1183450.9
VR158-FM1Vertical1:1183450.9
VR158-GM5Vertical1:1183450.9
VR158-HM5Vertical1:1183450.9
VR158-JM5Vertical1:1183450.9
VR158-NM5Vertical1:1183450.9
VR158-PM5Vertical1:1183450.9
VR158-QM5Vertical1:1183450.9
VR231-DM1Vertical2:11582.2
VR231-EM1Vertical2:11582.2
VR231-FM1Vertical2:11582.2
VR231-GM5Vertical2:11582.2
VR231-HM5Vertical2:11582.2
VR231-JM5Vertical2:11582.2
VR231-NM5Vertical2:11582.2
VR231-PM5Vertical2:11582.2
VR231-QM5Vertical2:11582.2
VR237-DM1Vertical2:12673.7
VR237-EM1Vertical2:12673.7
VR237-FM1Vertical2:12673.7
VR237-GM1Vertical2:12673.7
VR237-HM1Vertical2:12673.7
VR237-JM1Vertical2:12673.7
VR237-NM5Vertical2:12673.7
VR237-PM5Vertical2:12673.7
VR237-QM5Vertical2:12673.7
VR246-DM1Vertical2:187812.2
VR246-EM1Vertical2:187812.2
VR246-FM1Vertical2:187812.2
VR246-GM5Vertical2:187812.2
VR246-HM5Vertical2:187812.2
VR246-JM5Vertical2:187812.2
VR246-NM5Vertical2:187812.2
VR246-PM5Vertical2:187812.2
VR246-QM5Vertical2:187812.2
VR258-DM1Vertical2:1162022.6
VR258-EM1Vertical2:1162022.6
VR258-FM1Vertical2:1162022.6
VR258-GM5Vertical2:1162022.6
VR258-HM5Vertical2:1162022.6
VR258-JM5Vertical2:1162022.6
VR258-NM5Vertical2:1162022.6
VR258-PM5Vertical2:1162022.6
VR258-QM5Vertical2:1162022.6

Click on link below to see Drawings and Specs:
Boston Gear Drive – Bevel Gear R100/200 VR100/200 PDF