16 Diametral Pitch Ratings


14-1/2 Pressure Angle

Right Hand (Can be furnished Left Hand.)
 

Bronze Worm Gears (Single Thread)
 

5/16" Face
 

Number of
Teeth
Pitch
Diameter
Center
Distance
Stock
Bore
Hub
Diameter
Hub
Projection
Catalog Number
BronzeCast Iron
201.250".9375"1/4"5/8"3/8"BW-1620-SN/A
201.250".9375"1/4"5/8"5/16"BW-1620B-SN/A
241.500"1.062"1/4"5/8"3/8"BW-1624-SN/A
281.750"1.187"1/4"5/8"3/8"BW-1628-SN/A
301.875"1.250"5/16"3/4"3/8"BW-1630-SN/A
322.000"1.312"5/16"3/4"3/8"BW-1632-SN/A
402.500"1.562"5/16"3/4"3/8"BW-1640-SN/A
483.000"1.812"3/8"7/8"3/8"BW-1648-SN/A
503.125"1.875"3/8"7/8"7/16"BW-1650-SN/A
644.000"2.312"3/8"7/8"7/16"BW-1664-SN/A
805.000"2.812"3/8"7/8"7/16"BW-1680-SN/A
966.000"3.312"3/8"1"1/2"BW-1696-SN/A

 

Right Hand (Can be furnished Left Hand.)
 

Steel Worms (Single Thread)
 

543' Helix Angle
 

FacePitch
Diameter
Center
Distance
Stock
Bore
Hub
Diameter
Hub
Projection
Hub Pin SizeCatalog Number
HardenedSoft
3/4"5/8"*1/4"15/32"1/4"3/32"HW-1600SW-1600
3/4"5/8"*1/4"15/32"1/4"# 35HW-1600-BSW-1600-B
1"5/8"*5/16"15/32"1/4"3/32"HW-1601SW-1601
1"5/8"*5/16"15/32"1/4"# 35HW-1601-BSW-1601-B

 


14-1/2 Pressure Angle

Right Hand (Can be furnished Left Hand.)
 

Bronze Worm Gears (Double Thread)
 

5/16" Face
 

Number of
Teeth
Pitch
Diameter
Center
Distance
Stock
Bore
Hub
Diameter
Hub
Projection
Catalog Number
BronzeCast Iron
201.250".9375"1/4"5/8"3/8"BW-1620-DN/A
201.250".9375"1/4"5/8"5/16"BW-1620B-DN/A
241.500"1.062"1/4"5/8"3/8"BW-1624-DN/A
281.750"1.187"1/4"5/8"3/8"BW-1628-DN/A
301.875"1.250"5/16"3/4"3/8"BW-1630-DN/A
322.000"1.312"5/16"3/4"3/8"BW-1632-DN/A
402.500"1.562"5/16"3/4"3/8"BW-1640-DN/A
483.000"1.812"3/8"7/8"3/8"BW-1648-DN/A
503.125"1.875"3/8"7/8"7/16"BW-1650-DN/A
644.000"2.312"3/8"7/8"7/16"BW-1664-DN/A
805.000"2.812"3/8"7/8"7/16"BW-1680-DN/A
966.000"3.312"3/8"1"1/2"BW-1696-DN/A

 

Right Hand (Can be furnished Left Hand.)
 

Bronze Worm Gears (Quadruple Thread)
 

20 P.A. 5/16" Face
 

Number of
Teeth
Pitch
Diameter
Center
Distance
Stock
Bore
Hub
Diameter
Hub
Projection
Catalog Number
BronzeCast Iron
201.250".9375"1/4"5/8"3/8"BW-1620-QN/A
201.250".9375"1/4"5/8"5/16"BW-1620B-QN/A
241.500"1.062"1/4"5/8"3/8"BW-1624-QN/A
281.750"1.187"1/4"5/8"3/8"BW-1628-QN/A
301.875"1.250"5/16"3/4"3/8"BW-1630-QN/A
322.000"1.312"5/16"3/4"3/8"BW-1632-QN/A
402.500"1.562"5/16"3/4"3/8"BW-1640-QN/A
483.000"1.812"3/8"7/8"3/8"BW-1648-QN/A
503.125"1.875"3/8"7/8"7/16"BW-1650-QN/A
644.000"2.312"3/8"7/8"7/16"BW-1664-QN/A
805.000"2.812"3/8"7/8"7/16"BW-1680-QN/A
966.000"3.312"3/8"1"1/2"BW-1696-QN/A

 

Right Hand (Can be furnished Left Hand.)
 

Steel Worms (Double Thread)
 

11 20' Helix Angle
 

FacePitch
Diameter
Center
Distance
Stock
Bore
Hub
Diameter
Hub
Projection
Hub Pin SizeCatalog Number
HardenedSoft
3/4"5/8"*1/4"15/32"1/4"3/32"HW-1605SW-1605
1"5/8"*1/4"15/32"1/4"# 35N/ASW-1605-B
1"5/8"*5/16"15/32"1/4"3/32"HW-1606SW-1606
1"5/8"*5/16"15/32"1/4"# 35HW-1606-BSW-1606-B

 

Right Hand (Can be furnished Left Hand.)
 

Steel Worms (Quadruple Thread)
 

21 48' Helix Angle
 

FacePitch
Diameter
Center
Distance
Stock
Bore
Hub
Diameter
Hub
Projection
Hub Pin SizeCatalog Number
HardenedSoft
3/4"5/8"*1/4"15/32"1/4"3/32"N/ASW-1610
1"5/8"*1/4"15/32"1/4"# 35N/ASW-1610-B
1"5/8"*5/16"15/32"1/4"3/32"HW-1612N/A
1"5/8"*5/16"15/32"1/4"# 35HW-1612-BN/A

 

= Obsolete Style - Available only from existing stock.

* = Steel worms will operate on center distance shown for specific gear size.

** = Worms and Gears so marked are available from stock in Left Hand at stock gear prices.  Those not marked are also available in Left Hand on special order and quoted price.

Note:  All gears listed will be shipped "Right Hand" unless specified.



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