>> Curved Chain
Tsubaki Curved Chains are provided with additional clearance between pins and bushings and between roller links and pin link plates to permit extra flexibility and greater lateral displacement. The basic dimensions of this chain are the same as those of ANSI standard roller chains.
Dimensions-mm
Chain
No. |
Pitch
P |
Roller
Dia. R |
Width
between Roller Link Plates W |
RS35CU
^ |
9.525 |
5.08 |
4.78 |
RS40CU |
12.700 |
7.92 |
7.95 |
RS50CU |
15.875 |
10.16 |
9.53 |
RS60CU |
19.050 |
11.91 |
12.70 |
RS80CU |
25.400 |
15.88 |
15.88 |
Dimensions-mm
Chain
No. |
Pin |
Link
Plate |
Min.
Radius of Side Bow r |
|||||
Dia.
D |
From
Pin Head to C.L. L1 |
From
Pin end to C.L. L2 |
L1 + L2 |
Thickness T |
Height H |
Height h |
||
RS35CU
^ |
3.18 |
6.05 |
7.65 |
13.7 |
1.25 |
9.0 |
7.8 |
254 |
RS40CU |
3.97 |
8.45 |
9.75 |
18.2 |
1.5 |
12.0 |
10.4 |
350 |
RS50CU |
5.09 |
10.6 |
12.4 |
23.0 |
2.0 |
15.0 |
13.0 |
400 |
RS60CU |
5.96 |
13.25 |
15.05 |
28.3 |
2.4 |
18.1 |
15.6 |
500 |
RS80CU |
7.94 |
16.75 |
20.05 |
36.8 |
3.2 |
24.1 |
20.8 |
600 |
Dimensions-mm
Chain
No. |
Average
Tensile Strength kN {kgf} |
Maximum
Allowable Load kN {kgf} |
Approx.
Mass kg/m |
RS35CU
^ |
8.04
{820} |
930
{95} |
0.31 |
RS40CU |
15.5
{1,580} |
1.86
{190} |
0.61 |
RS50CU |
24.1
{2,460} |
2.84
{290} |
1.01 |
RS60CU |
34.9
{3,560} |
4.02
{410} |
1.40 |
RS80CU |
61.6
{6,280} |
6.96
{710} |
2.47 |
Dimensions-mm
Chain
No. |
Attachment |
Additional
Weight per Attachment kg/att. |
|||||
C |
N |
O |
S |
X |
A
Att. |
K
Att. |
|
RS35CU
^ |
9.5 |
7.9 |
3.4 |
6.35 |
14.5 |
0.0008 |
0.0016 |
RS40CU |
12.7 |
9.5 |
3.6 |
8.0 |
18.0 |
0.0020 |
0.0040 |
RS50CU |
15.9 |
12.7 |
5.2 |
10.3 |
23.7 |
0.0030 |
0.0060 |
RS60CU |
19.1 |
15.9 |
5.2 |
11.9 |
28.5 |
0.0070 |
0.0140 |
RS80CU |
25.4 |
19.1 |
6.8 |
15.9 |
37.1 |
0.0130 |
0.0260 |
^ Roller-less (bushing only)