Description
TSUBAKI RS50-1B — RS50 Lock Sprocket S Type, genuine TSUBAKI product.
Overview
The TSUBAKI RS50 Lock Sprocket S Type is an RS50 sprocket with an integrated keyless locking device. It clamps to plain shafts without keys, allowing quick installation and accurate phase adjustment. It is used in conveyors, packaging machinery and automation drives. The lock hub also spreads clamping force evenly, avoiding the stress concentration of a keyway.
Key Features
- Integrated keyless locking hub
- Sized for RS50 roller chain
- Accurate phase adjustment
- No keyway machining needed
Specifications
| Part No. |
No. of Teeth |
Bore Type |
Chain Pitch (mm) |
Tooth Width (mm) |
Type |
Mounting Method |
L1(mm) |
No. of Strands |
Tightening Torque (N·m) |
Pitch Diameter (Dp) (Ømm) |
Outer Diameter (Do) (Ømm) |
Roller Diameter (Ømm) |
| RS50-1B23TQ-S4830A |
23 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
15.5 |
1 |
8.3 |
116.59 |
125 |
10.16 |
| RS50-1B23TQ-S4830B |
23 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
15.5 |
1 |
8.3 |
116.59 |
125 |
10.16 |
| RS50-1B23TQ-S4832A |
23 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
15.5 |
1 |
8.3 |
116.59 |
125 |
10.16 |
| RS50-1B23TQ-S4832B |
23 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
15.5 |
1 |
8.3 |
116.59 |
125 |
10.16 |
| RS50-1B23TQ-S4835A |
23 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
15.5 |
1 |
8.3 |
116.59 |
125 |
10.16 |
| RS50-1B23TQ-S4835B |
23 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
15.5 |
1 |
8.3 |
116.59 |
125 |
10.16 |
| RS50-1B23TQ-S5638A |
23 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
17.5 |
1 |
8.3 |
116.59 |
125 |
10.16 |
| RS50-1B23TQ-S5638B |
23 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
17.5 |
1 |
8.3 |
116.59 |
125 |
10.16 |
| RS50-1B23TQ-S5640A |
23 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
17.5 |
1 |
8.3 |
116.59 |
125 |
10.16 |
| RS50-1B23TQ-S5640B |
23 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
17.5 |
1 |
8.3 |
116.59 |
125 |
10.16 |
| RS50-1B23TQ-S5642A |
23 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
17.5 |
1 |
8.3 |
116.59 |
125 |
10.16 |
| RS50-1B23TQ-S5642B |
23 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
17.5 |
1 |
8.3 |
116.59 |
125 |
10.16 |
| RS50-1B23TQ-S5645A |
23 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
17.5 |
1 |
8.3 |
116.59 |
125 |
10.16 |
| RS50-1B23TQ-S5645B |
23 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
17.5 |
1 |
8.3 |
116.59 |
125 |
10.16 |
| RS50-1B24TQ-S4824A |
24 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
15.5 |
1 |
8.3 |
121.62 |
130 |
10.16 |
| RS50-1B24TQ-S4824B |
24 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
15.5 |
1 |
8.3 |
121.62 |
130 |
10.16 |
| RS50-1B24TQ-S4825A |
24 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
15.5 |
1 |
8.3 |
121.62 |
130 |
10.16 |
| RS50-1B24TQ-S4825B |
24 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
15.5 |
1 |
8.3 |
121.62 |
130 |
10.16 |
| RS50-1B24TQ-S4828A |
24 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
15.5 |
1 |
8.3 |
121.62 |
130 |
10.16 |
| RS50-1B24TQ-S4828B |
24 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
15.5 |
1 |
8.3 |
121.62 |
130 |
10.16 |
| RS50-1B24TQ-S4830A |
24 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
15.5 |
1 |
8.3 |
121.62 |
130 |
10.16 |
| RS50-1B24TQ-S4830B |
24 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
15.5 |
1 |
8.3 |
121.62 |
130 |
10.16 |
| RS50-1B24TQ-S4832A |
24 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
15.5 |
1 |
8.3 |
121.62 |
130 |
10.16 |
| RS50-1B24TQ-S4832B |
24 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
15.5 |
1 |
8.3 |
121.62 |
130 |
10.16 |
| RS50-1B24TQ-S4835A |
24 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
15.5 |
1 |
8.3 |
121.62 |
130 |
10.16 |
| RS50-1B24TQ-S4835B |
24 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
15.5 |
1 |
8.3 |
121.62 |
130 |
10.16 |
| RS50-1B24TQ-S5638A |
24 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
17.5 |
1 |
8.3 |
121.62 |
130 |
10.16 |
| RS50-1B24TQ-S5638B |
24 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
17.5 |
1 |
8.3 |
121.62 |
130 |
10.16 |
| RS50-1B24TQ-S5640A |
24 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
17.5 |
1 |
8.3 |
121.62 |
130 |
10.16 |
| RS50-1B24TQ-S5640B |
24 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
17.5 |
1 |
8.3 |
121.62 |
130 |
10.16 |
| RS50-1B24TQ-S5642A |
24 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
17.5 |
1 |
8.3 |
121.62 |
130 |
10.16 |
| RS50-1B24TQ-S5642B |
24 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
17.5 |
1 |
8.3 |
121.62 |
130 |
10.16 |
| RS50-1B24TQ-S5645A |
24 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
17.5 |
1 |
8.3 |
121.62 |
130 |
10.16 |
| RS50-1B24TQ-S5645B |
24 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
17.5 |
1 |
8.3 |
121.62 |
130 |
10.16 |
| RS50-1B25TQ-S4824A |
25 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
15.5 |
1 |
8.3 |
126.66 |
135 |
10.16 |
| RS50-1B25TQ-S4824B |
25 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
15.5 |
1 |
8.3 |
126.66 |
135 |
10.16 |
| RS50-1B25TQ-S4825A |
25 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
15.5 |
1 |
8.3 |
126.66 |
135 |
10.16 |
| RS50-1B25TQ-S4825B |
25 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
15.5 |
1 |
8.3 |
126.66 |
135 |
10.16 |
| RS50-1B25TQ-S4828A |
25 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
15.5 |
1 |
8.3 |
126.66 |
135 |
10.16 |
| RS50-1B25TQ-S4828B |
25 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
15.5 |
1 |
8.3 |
126.66 |
135 |
10.16 |
| RS50-1B25TQ-S4830A |
25 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
15.5 |
1 |
8.3 |
126.66 |
135 |
10.16 |
| RS50-1B25TQ-S4830B |
25 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
15.5 |
1 |
8.3 |
126.66 |
135 |
10.16 |
| RS50-1B25TQ-S4832A |
25 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
15.5 |
1 |
8.3 |
126.66 |
135 |
10.16 |
| RS50-1B25TQ-S4832B |
25 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
15.5 |
1 |
8.3 |
126.66 |
135 |
10.16 |
| RS50-1B25TQ-S4835A |
25 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
15.5 |
1 |
8.3 |
126.66 |
135 |
10.16 |
| RS50-1B25TQ-S4835B |
25 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
15.5 |
1 |
8.3 |
126.66 |
135 |
10.16 |
| RS50-1B25TQ-S5638A |
25 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
17.5 |
1 |
8.3 |
126.66 |
135 |
10.16 |
| RS50-1B25TQ-S5638B |
25 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
17.5 |
1 |
8.3 |
126.66 |
135 |
10.16 |
| RS50-1B25TQ-S5640A |
25 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
17.5 |
1 |
8.3 |
126.66 |
135 |
10.16 |
| RS50-1B25TQ-S5640B |
25 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
17.5 |
1 |
8.3 |
126.66 |
135 |
10.16 |
| RS50-1B25TQ-S5642A |
25 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
17.5 |
1 |
8.3 |
126.66 |
135 |
10.16 |
| RS50-1B25TQ-S5642B |
25 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
17.5 |
1 |
8.3 |
126.66 |
135 |
10.16 |
| RS50-1B25TQ-S5645A |
25 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
17.5 |
1 |
8.3 |
126.66 |
135 |
10.16 |
| RS50-1B25TQ-S5645B |
25 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
17.5 |
1 |
8.3 |
126.66 |
135 |
10.16 |
| RS50-1B26TQ-S4824A |
26 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
15.5 |
1 |
8.3 |
131.7 |
140 |
10.16 |
| RS50-1B26TQ-S4824B |
26 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
15.5 |
1 |
8.3 |
131.7 |
140 |
10.16 |
| RS50-1B26TQ-S4825A |
26 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
15.5 |
1 |
8.3 |
131.7 |
140 |
10.16 |
| RS50-1B26TQ-S4825B |
26 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
15.5 |
1 |
8.3 |
131.7 |
140 |
10.16 |
| RS50-1B26TQ-S4828A |
26 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
15.5 |
1 |
8.3 |
131.7 |
140 |
10.16 |
| RS50-1B26TQ-S4828B |
26 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
15.5 |
1 |
8.3 |
131.7 |
140 |
10.16 |
| RS50-1B26TQ-S4830A |
26 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
15.5 |
1 |
8.3 |
131.7 |
140 |
10.16 |
| RS50-1B26TQ-S4830B |
26 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
15.5 |
1 |
8.3 |
131.7 |
140 |
10.16 |
| RS50-1B26TQ-S4832A |
26 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
15.5 |
1 |
8.3 |
131.7 |
140 |
10.16 |
| RS50-1B26TQ-S4832B |
26 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
15.5 |
1 |
8.3 |
131.7 |
140 |
10.16 |
| RS50-1B26TQ-S4835A |
26 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
15.5 |
1 |
8.3 |
131.7 |
140 |
10.16 |
| RS50-1B26TQ-S4835B |
26 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
15.5 |
1 |
8.3 |
131.7 |
140 |
10.16 |
| RS50-1B26TQ-S5638A |
26 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
17.5 |
1 |
8.3 |
131.7 |
140 |
10.16 |
| RS50-1B26TQ-S5638B |
26 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
17.5 |
1 |
8.3 |
131.7 |
140 |
10.16 |
| RS50-1B26TQ-S5640A |
26 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
17.5 |
1 |
8.3 |
131.7 |
140 |
10.16 |
| RS50-1B26TQ-S5640B |
26 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
17.5 |
1 |
8.3 |
131.7 |
140 |
10.16 |
| RS50-1B26TQ-S5642A |
26 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
17.5 |
1 |
8.3 |
131.7 |
140 |
10.16 |
| RS50-1B26TQ-S5642B |
26 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
17.5 |
1 |
8.3 |
131.7 |
140 |
10.16 |
| RS50-1B26TQ-S5645A |
26 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
17.5 |
1 |
8.3 |
131.7 |
140 |
10.16 |
| RS50-1B26TQ-S5645B |
26 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
17.5 |
1 |
8.3 |
131.7 |
140 |
10.16 |
| RS50-1B27TQ-S4824A |
27 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
15.5 |
1 |
8.3 |
136.74 |
145 |
10.16 |
| RS50-1B27TQ-S4824B |
27 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
15.5 |
1 |
8.3 |
136.74 |
145 |
10.16 |
| RS50-1B27TQ-S4825A |
27 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
15.5 |
1 |
8.3 |
136.74 |
145 |
10.16 |
| RS50-1B27TQ-S4825B |
27 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
15.5 |
1 |
8.3 |
136.74 |
145 |
10.16 |
| RS50-1B27TQ-S4828A |
27 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
15.5 |
1 |
8.3 |
136.74 |
145 |
10.16 |
| RS50-1B27TQ-S4828B |
27 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
15.5 |
1 |
8.3 |
136.74 |
145 |
10.16 |
| RS50-1B27TQ-S4830A |
27 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
15.5 |
1 |
8.3 |
136.74 |
145 |
10.16 |
| RS50-1B27TQ-S4830B |
27 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
15.5 |
1 |
8.3 |
136.74 |
145 |
10.16 |
| RS50-1B27TQ-S4832A |
27 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
15.5 |
1 |
8.3 |
136.74 |
145 |
10.16 |
| RS50-1B27TQ-S4832B |
27 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
15.5 |
1 |
8.3 |
136.74 |
145 |
10.16 |
| RS50-1B27TQ-S4835A |
27 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
15.5 |
1 |
8.3 |
136.74 |
145 |
10.16 |
| RS50-1B27TQ-S4835B |
27 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
15.5 |
1 |
8.3 |
136.74 |
145 |
10.16 |
| RS50-1B27TQ-S5638A |
27 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
17.5 |
1 |
8.3 |
136.74 |
145 |
10.16 |
| RS50-1B27TQ-S5638B |
27 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
17.5 |
1 |
8.3 |
136.74 |
145 |
10.16 |
| RS50-1B27TQ-S5640A |
27 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
17.5 |
1 |
8.3 |
136.74 |
145 |
10.16 |
| RS50-1B27TQ-S5640B |
27 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
17.5 |
1 |
8.3 |
136.74 |
145 |
10.16 |
| RS50-1B27TQ-S5642A |
27 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
17.5 |
1 |
8.3 |
136.74 |
145 |
10.16 |
| RS50-1B27TQ-S5642B |
27 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
17.5 |
1 |
8.3 |
136.74 |
145 |
10.16 |
| RS50-1B27TQ-S5645A |
27 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
17.5 |
1 |
8.3 |
136.74 |
145 |
10.16 |
| RS50-1B27TQ-S5645B |
27 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
17.5 |
1 |
8.3 |
136.74 |
145 |
10.16 |
| RS50-1B28TQ-S4825A |
28 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
15.5 |
1 |
8.3 |
141.79 |
150 |
10.16 |
| RS50-1B28TQ-S4825B |
28 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
15.5 |
1 |
8.3 |
141.79 |
150 |
10.16 |
| RS50-1B28TQ-S4828A |
28 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
15.5 |
1 |
8.3 |
141.79 |
150 |
10.16 |
| RS50-1B28TQ-S4828B |
28 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
15.5 |
1 |
8.3 |
141.79 |
150 |
10.16 |
| RS50-1B28TQ-S4830A |
28 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
15.5 |
1 |
8.3 |
141.79 |
150 |
10.16 |
| RS50-1B28TQ-S4830B |
28 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
15.5 |
1 |
8.3 |
141.79 |
150 |
10.16 |
How to Order
Confirm number of teeth, shaft diameter and locking designation. Please confirm the full part number and options against the TSUBAKI catalog; contact us if you need help identifying the right model.
Product image is representative of the TSUBAKI series; appearance varies by size and model.
About TSUBAKI
Tsubakimoto Chain Co. (TSUBAKI) is a Japanese manufacturer and one of the world's leading makers of power transmission products, including roller and conveyor chains, sprockets, timing belts and pulleys, Power-Lock keyless locking devices, couplings, cam clutches, reducers and cable carriers.
Ordering & Shipping
- Genuine TSUBAKI product sourced through Korean distribution
- Ships worldwide from South Korea by FedEx International Priority Express
- Lead time varies by model; please inquire for exact delivery
- Import duties and taxes are payable by the recipient
- Bulk and trade pricing available on request
