Modified Stock Gearing - Boston Gear

Roller Chain Sprockets
Single Strand
No. 35 3/8" Pitch; Stainless Steel
ORDER BY CATALOG NUMBER OR ITEM CODE
Without Keyway
No.
Length
or Setscrew
of Pitch Bore Hub thru
Teeth Dia. Dia. Bore
Catalog Item
Number Code
TYPE A NO HUB STEEL
9 1.096 27/32† 35B9SS 69478
10 1.214 3/8 31/32† 3/4 35B10SS 69479
11 1.331 1-1/16† 35B11SS 69480
12 1.449 1-7/32† 35B12SS 69481
13 1.567 1-1/4† 35B13SS 69482
14 1.685 1-1/4 35B14SS 69483
15 1.804 1-11/32 35B15SS 69484
16 1.922 1/2 1-15//32 3/4 35B16SS 69485
17 2.041 1-19/32 35B17SS 69486
18 2.160 1-23/32 35B18SS 69487
19 2.278 1-27/32 35B19SS 69488
20 2.397 1-15/16 35B20SS 69489
25 2.992 35B25SS 69490
1/2 2 7/8
30 3.588
35B30SS 69511
35 4.183 35B35SS 69512
40 4.780 5/8 2-1/4 1 35B40SS 69513
45 5.376 35B45SS 69624
60 7.165 3/4 2-1/4 1 35B60SS 69682
†Has recessed groove in hub for chain reference.
P.D.
.168
MAX.
Double Strand
No. 35 3/8" Pitch; Stainless Steel
H
No.
of
Teeth
ORDER BY CATALOG NUMBER OR ITEM CODE
Without Keyway
Pitch
Hub
Length
or Setscrew
Dia.
Bore
Dia.
thru
Bore Catalog Item
Number Code
TYPE B SINGLE HUB STEEL
16 1.922 1-15/32 D35B16 15930
17 2.041
1-19/32
D35B17 15932
1/2
1-1/4
18 2.160 1-23/32 D35B18 15934
19 2.278 1-7/8 D35B19 15936
20 2.397 1-15/16 D35B20 15938
21 2.516 2-1/16 D35B21 15940
22 2.635
2-3/16
D35B22 15942
3/4
1-3/8
23 2.754 2-1/4 D35B23 15944
24 2.873 2-1/4 D35B24 15946
25 2.992 2-1/4 D35B25 15948
30 3.588 3/4 2-1/2 1-3/8 D35B30 69995
.561
MAXIMUM DIA. OF CHAIN OVER
SPROCKET = SPROCKET P.D. +.359”
STANDARD TOLERANCES
Dimension
Tolerance
Stainless Steel
Bore All +.002 —.000
Double Strand
Bore All ±.001
Reference Pages
Alterations – 316
Horsepower Ratings – 260-262
Lubrication – 259
Materials – 316
Selection Procedure – 258
ANSI Diameters – 317
P.D.
.300
.162
MAX
P-1930-BG 04/10 Boston Gear 800-825-6544 271