DIAMETER, INCHES STOCK BORES MARKED "X" Overall Approx.
D.D. D.D. PART 3/8 1/2 5/8 3/4 7/8 1 1-1/8 Width Weight
O.D. 4L ("A") 3L ("O") NO. In In In In In In In Inches Lbs.
2.0 1.7 NH2200 X X X* X* 5/8 0.3
2.1 1.8 1.5 NH2210 X X X* X* 5/8 0.3
2.2 1.9 1.6 NH2220 X X* X* 5/8 0.3
2.3 2.0 1.7 NH2230 X X* X* 5/8 0.4
2.5 2.2 1.9 NH2250 X X X X* X* X* 5/8 0.5
2.6 2.3 2.0 NH2260 X X X X 5/8 0.6
2.7 2.4 2.1 NH2270 X X X X X* 5/8 0.7
2.8 2.5 2.2 NH2280 X X X X X 5/8 0.7
3.0 2.7 2.4 NH2300 X X X X X X 5/8 0.9
3.2 2.9 2.6 NH2320 X X X X X X 5/8 1.0
3.4 3.1 2.8 NH2340 X X X X X X 5/8 1.2
DIAMETER, INCHES STOCK BORES MARKED "X" Overall Approx.
D.D. D.D. PART 3/8 1/2 5/8 3/4 7/8 1 1-1/8 Width Weight
O.D. 5L ("B") 4L ("A") NO. In In In In In In In Inches Lbs.
2.4 2.0 NH4240 X X X* X* X* 3/4 0.5
2.5 2.1 NH4250 X X X* X* X* X* 3/4 0.5
2.6 2.2 1.8 NH4260 X X X* 3/4 0.6
2.7 2.3 1.9 NH4270 X X X* X* X* 3/4 0.6
FIXED BORE TYPE 2.8 2.4 2.0 NH4280 X X X X* X* 3/4 0.7
2.9 2.5 2.1 NH4290 X X X X X* X* 3/4 0.9
No hub sheaves are zinc 3.0 2.6 2.2 NH4300 X X X X X* X* 3/4 1.0
phosphated for rust resistance 3.2 2.8 2.3 NH4320 X X X X X* X* 3/4 1.1
3.4 3.0 2.4 NH4340 X X X X X X 3/4 1.3
When ordering specify bore with 3.6 3.2 2.6 NH4360 X X X X X X 3/4 1.4
part number: 3.8 3.4 2.8 NH4380 X X X X X X 3/4 1.5
4.0 3.6 3.2 NH4400 X X X X X X 3/4 2.2
For example order NH4300 x 1/2"
One Setscrew - Hollow Head, Cup Point
*Setscrew @ 90 Degrees to Keyway (No Setscrew Over Keyway)
For Standard Keyway Dimensions Refer to Table on Page A-2
steel reducing bushings
LENGTH
O.D. I.D. INCHES
1/2 1/4 1-1/8
1/2
5/16
1-1/8
For all 1" Fixed Bore Single Groove Sheaves.
1/2
3/8
1-1/8
Packed and labeled five to a carton. Order in 1/2 7/16 1-1/4
multiples of five (not sold in broken lots) 5/8 7/16 1-1/4
5/8 1/2 1-1/8
Each bushing ground 3/4 1/2 1-1/4
to fit and has clearance 3/4 5/8 1-1/4
hole for set screw 7/8 5/8 1-1/4
7/8 3/4 1-1/4
Order In Multiples of 1 5/8 1-1/4
Part O.D. Wt 5 pcs. Not Sold in 1 3/4 1-1/4
Number Inches Each Broken Lots. 1 7/8 1-1/4
XA 1 .2 lbs 1-1/8 1 1-1/4
* 1/2 and 5/8 Bores Have No Keyway Through Bushing Inside diameter has no 1-3/16 1 1-1/4
keyway
1-1/4
3/4
1-1/4
1-1/4 7/8 1-1/4
1-1/4 1 1-1/4
1-1/4 1-1/8 1-1/4
type XA bushing
1426
1404
1405
for "O" (3L), "A" (4L) and "B" (5L) v-belts
1401
1402
1403
PART
DIAMETER
for "O" (3L) and "A" (4L) v-belts
for "A" (4L) and "B" (5L) v-belts
1406
1408
1419
1420
1428
1416
1414
1/2, 5/8, 3/4, 7/8
1423
1418
1410
1412
1427
Hi-Q® bar steel no hub sheaves
Hi-Q® reducing bushings for light duty sheaves
1425
NUMBER
Stock Bores
Inches
A1
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