Type of Carrie r
Dry
Lubricate d
Standard Rolle r
.21
.14
Large Rolle r
.12
.08
Top Rolle r
.09
.06
Chain Sliding
on Ste e l
.33
.24
Chain Spe e d
Spe e d Factor
0 to 50 ft/min
1.0
50 to 100 ft/min
1.2
100 to 150 ft/min
1.4
150 to 230 ft/min
1.6
230 to 300 ft/min
2.2
300 to 350 ft/min
2.8
350 to 400 ft/min
3.2
More than 400 ft/min
Contact Hitachi
Numbe r of Strands
Multi-Strand Factor
1
1.0
Ste e l
Standard
Rolle r
33
Ste e l
Large
Rolle r
-
Plastic
Large
Rolle r
-
2
1.2
3
1.3
Chain
Numbe r
40
4
1.4
50
44
-
-
More Than 4
Contact Hitachi
60
66
-
-
80
120
-
-
100
180
-
-
120
260
-
-
140
300
-
-
Chain Te mpe rature
Te mpe rature Factor
160
430
-
-
-20 F to -4 F
4.0
C2040
33
143
44
-4 F to 15 F
3.0
C2050
44
220
66
15 F to 300 F
1.0
C2060H
66
350
110
300 F to 390 F
1.3
C2080H
120
590
200
C2100H
180
880
290
390 F to 450 F
2.0
C2120H
260
1,320
More Than 450 F
Contact Hitachi
C2160H
430
2,160
117
