Timing Belts - 40 D.P. or 2.07 mm Pitch
BELT WIDTH
.048
(1.2)
THEORETICAL PITCH
.024
(0.6)
.0816
(2.073)
.018
(0.46)
.007 R
(0.2 R)
TYP
1/8, 3/16, 1/4 & 5/16 INCH - 3, 4.5, 6 & 8 mm WIDE
POLYURETHANE
60°
D Breaking Strength is not representative of the load-carrying capacity of the belt.
Special Widths - cut to size from sleeves available from stock.
Pulleys are available with inch or metric standards.
* To be discontinued when present stock is depleted.
Inch
mm
Inch
mm
Pitch Length
Pitch Length
No. of
Grooves
No. of
Grooves
Inch
Pitch Length
No. of
Grooves
30
33
35
40
44
45
48
50
51
52
53
55
56
57
58
60
61
64
65
69
70
71
2.448
2.693
2.856
3.264
3.590
3.672
3.917
4.080
4.162
4.243
4.325
4.488
4.570
4.651
4.733
4.896
4.978
5.222
5.304
5.630
5.712
5.794
62.18
68.4
72.54
82.91
91.2
93.27
99.49
103.63
105.7
107.78
109.85
114
116.07
118.14
120.21
124.36
126.43
132.65
134.72
143.01
145.08
147.16
72
73
74
75
76
77
78
80
81
84
85
89
90
91
94
95
96
97
98
100
102
105
5.875
5.957
6.038
6.120
6.202
6.283
6.365
6.528
6.610
6.854
6.936
7.262
7.344
7.426
7.670
7.752
7.834
7.915
7.997
8.160
8.323
8.568
109
110
114
115
116
118
119
120
122
123
125
130
131
132
135
139
140
143
144
145
147
149
8.894
8.976
9.302
9.384
9.466
9.629
9.710
9.792
9.955
10.037
10.200
10.608
10.690
10.771
11.016
11.342
11.424
11.669
11.750
11.832
11.995
12.158
225.92
227.99
236.28
238.35
240.43
244.57
246.64
248.72
252.86
254.93
259.08
269.44
271.52
273.59
279.81
288.1
290.17
296.39
298.46
300.53
304.68
308.82
149.23
151.3
153.38
155.45
157.52
159.59
161.67
165.81
167.88
174.1
176.17
184.46
186.54
188.61
194.83
196.9
198.97
201.05
203.12
207.26
211.41
217.63
Continued on the next page
MATERIAL: Body – Polyurethane; Cord – Polyester balanced construction or Kevlar
D BREAKING STRENGTH: Polyester < 151 grooves – 40 lbs. per 1/8 (56 N per 1 mm) Belt Width
³ 151 grooves – 80 lbs. per 1/8 (112 N per 1 mm) Belt Width
Kevlar < 151 grooves – 80 lbs. per 1/8 (112 N/mm) Belt Width
³ 151 grooves – 130 lbs. per 1/8 (182 N per 1 mm) Belt Width
TEMPERATURE RANGE: Continuous: 0°F to +180°F (-18°C to +82°C); Intermittent: up to +250°F (+121°C)
mm
*
*
NOTE: Dimensions in ( ) are mm size.
Example
CATALOG NUMBER DESIGNATION:
Width
Code
Belt
Width
012
018
025
031
1/8
3/16
1/4
5/16
030
045
060
080
3 mm
4.5 mm
6 mm
8 mm
I
N
C
H
M
E
T
R
I
C
A 6 6 M
Width
Code
(See right)
No. of
Grooves
(See tables below)
Polyester Cord G
Kevlar Cord
B
A 6 6 –
Width
Code
(See right)
No. of
Grooves
(See tables below)
Polyester Cord G
Kevlar Cord
B
A 6G 6-048012 is a 48
Groove 1/8 Wide Belt
with Polyester Cord.
A 6B 6M057060 is a 57
Groove 6 mm Wide Belt
with Kevlar Cord.
2-33 REV: 10-05-05 JC
