JRW Worm Gear Units
Home - Products - JRW Worm Gear Units - JRW300 Worm Gear Units
JRW300 Worm Gear Units

JRW300 Worm Gear Units

Product Highlight
Size: 310~360
Ratio: 5~100
Input power: 0.08~26.13HP
Output torque: 113~11219 lb-in
Download Catalog
Ordering Information：

1 Brand Code JIE Worm Gear Reducer 2 Output Shaft Style Blank – Solid Output Shaft
H – JIE Hollow Output (setscrews both sides, bore size selectable) 
S – Hollow Output (setscrews one side, bore size fixed)
3 Input Shaft Style Blank – Solid Projecting Input Shaft
F - Quill Style Motor Flange
RF – Coupling Style Motor Flange
QC – Quick Connect Motor Flange (close coupled)		 4 3 – 300 Series
5 Center Distance(inches) 10 – 1.00、13 – 1.33、15 – 1.54、18 – 1.75
21 – 2.06 、24 – 2.38 、26 – 2.62、30 – 3.00
32 – 3.25、38 – 3.75、52 – 5.13、60 – 6.00		 6 Base/Mounting Attachment * Blank – No Base
A – Horizontal base – Top Mount
B – Horizontal base – Bottom Mount
BRB – Riser Block – Top Mount
C – Vertical High base – Right Mount
D – Vertical Low base – Right Mount
E – Vertical High base – Left Mount
F – Vertical Low base – Left Mount
R – JIE Bracket – Right Mount
L – JIE Bracket – Left Mount
M –Conveyor Flange Adptr – Right Mount
N – Conveyor Flange Adptr – Left Mount
V – Hollow Output Flange – Right Mount
W – Hollow Output Flange – Left Mount
X – Vertical Base – Rear Mount
Y – Vertical Base – Front Mount
*Projection of Base/Flange/Bracket assumes one 
is always looking into the input shaft in the #1 
mounting position.
7 Exact Gear Ratio Ratio to 1
5、7、7.5、10、12、15、20
25、30、40、50、60、80、100
Or Consult Factory for Availability		 8 Lubrication Blank – No lubrication
K – Klubersynth UH1 6-460
S – Mobil SHC 634
X – Mobil 600W
9 Endcap or Fan (332-360 only)
E – Endcap (standard)
F – Fan		 10 Vent Blank – Standard Vent
Z - Pressure Vent (5 psi)
11 Oil Seal Blank – Standard Seal
T – Two Standard Input Seals		 12 NEMA Motor Mounting
Bore Code NEMA Mounting Input Bore Keyway
B4 42CZ 500” 1/8 x 1/16
B5 56C 625 3/16 x 3/32
B7 140TC/180C 875 3/16 x 3/32
B9 180TC/210C 1.125 1/4 x 1/8
B11 210TC/250UC 1.375 5/16 x 5/32
B13 250TC 1.625 3/8 x 3/16
Blank - Solid Input Shaft (No Flange)
13 Output Shaft (When facing Input and worm on top)
G - Carbon Steel Output Projection – Left
H - Carbon Steel Double Output Projection
J - Carbon Steel Output Projection – Right		 14 Mounting Positions Blank - No Lubrication Supplied
For Factory Prelubrication Indicate Mounting Position
1 – Standard Mounting (Worm over)
2-6 – Refer to Mounting Positions
15 JIE Output Bore Code For H Series Only Specified in 1/16" increments.
Example: 1 1/4” = P20
5/8 – P10、3/4 – P12、7/8 – P14、15/16 – P15、1 – P16、1-1/16 – P17、1-1/8 –P18、1-3/16 – P19、1-1/4 – P20
1-5/16 – P21、1-3/8 – P22、1-7/16 – P23、1-1/2 – P24、1-5/8 – P26、1-11/16 – P27、1-3/4 – P28、1-7/8 – P30
1-15/16 – P31、2 – P32、2-1/8 – P34、2-3/16 – P35、2-1/4 – P36、2-7/16 – P39、3-7/16 – P55
Note:
1. If you need motor, please note“with motor”and the model, power &poles of the motor.
2. Accessories are
unassembled. You may assemble them according to your need.
3. Connect JIE for availability by center distance
X Facebook
Products Exhibition