Description
TSUBAKI RS50-1B — RS50 Lock Sprocket N Type, genuine TSUBAKI product.
Overview
The TSUBAKI RS50 Lock Sprocket N Type is an RS50 chain sprocket with a built-in keyless locking element. It clamps securely to plain shafts and allows easy phase and position adjustment without keys. It is used in conveyors, packaging machines and industrial drives requiring fast installation and rigid, backlash-free mounting.
Key Features
- Built-in keyless locking element
- Sized for RS50 roller chain
- Backlash-free mounting on plain shafts
- Easy phase and position adjustment
Specifications
| Part No. |
No. of Teeth |
Bore Type |
Chain Pitch (mm) |
Tooth Width (mm) |
Type |
Mounting Method |
L1(mm) |
No. of Strands |
Size M (mm) |
Pitch Diameter (Dp) (Ømm) |
Outer Diameter (Do) (Ømm) |
Roller Diameter (Ømm) |
| RS50-1B11TQ-N314A |
11 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
8 |
1 |
30 |
56.35 |
64 |
10.16 |
| RS50-1B11TQ-N315A |
11 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
8 |
1 |
30 |
56.35 |
64 |
10.16 |
| RS50-1B11TQ-N316A |
11 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
8 |
1 |
30 |
56.35 |
64 |
10.16 |
| RS50-1B12TQ-N314A |
12 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
8 |
1 |
30 |
61.34 |
69 |
10.16 |
| RS50-1B12TQ-N315A |
12 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
8 |
1 |
30 |
61.34 |
69 |
10.16 |
| RS50-1B12TQ-N316A |
12 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
8 |
1 |
30 |
61.34 |
69 |
10.16 |
| RS50-1B12TQ-N417A |
12 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
10 |
1 |
36 |
61.34 |
69 |
10.16 |
| RS50-1B12TQ-N418A |
12 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
10 |
1 |
36 |
61.34 |
69 |
10.16 |
| RS50-1B12TQ-N419A |
12 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
10 |
1 |
36 |
61.34 |
69 |
10.16 |
| RS50-1B13TQ-N314A |
13 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
8 |
1 |
30 |
66.33 |
74 |
10.16 |
| RS50-1B13TQ-N315A |
13 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
8 |
1 |
30 |
66.33 |
74 |
10.16 |
| RS50-1B13TQ-N316A |
13 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
8 |
1 |
30 |
66.33 |
74 |
10.16 |
| RS50-1B13TQ-N417A |
13 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
10 |
1 |
36 |
66.33 |
74 |
10.16 |
| RS50-1B13TQ-N418A |
13 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
10 |
1 |
36 |
66.33 |
74 |
10.16 |
| RS50-1B13TQ-N419A |
13 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
10 |
1 |
36 |
66.33 |
74 |
10.16 |
| RS50-1B14TQ-N314A |
14 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
8 |
1 |
30 |
71.34 |
79 |
10.16 |
| RS50-1B14TQ-N314B |
14 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
8 |
1 |
30 |
71.34 |
79 |
10.16 |
| RS50-1B14TQ-N315A |
14 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
8 |
1 |
30 |
71.34 |
79 |
10.16 |
| RS50-1B14TQ-N315B |
14 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
8 |
1 |
30 |
71.34 |
79 |
10.16 |
| RS50-1B14TQ-N316A |
14 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
8 |
1 |
30 |
71.34 |
79 |
10.16 |
| RS50-1B14TQ-N316B |
14 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
8 |
1 |
30 |
71.34 |
79 |
10.16 |
| RS50-1B14TQ-N417A |
14 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
10 |
1 |
36 |
71.34 |
79 |
10.16 |
| RS50-1B14TQ-N417B |
14 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
10 |
1 |
36 |
71.34 |
79 |
10.16 |
| RS50-1B14TQ-N418A |
14 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
10 |
1 |
36 |
71.34 |
79 |
10.16 |
| RS50-1B14TQ-N418B |
14 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
10 |
1 |
36 |
71.34 |
79 |
10.16 |
| RS50-1B14TQ-N419A |
14 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
10 |
1 |
36 |
71.34 |
79 |
10.16 |
| RS50-1B14TQ-N419B |
14 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
10 |
1 |
36 |
71.34 |
79 |
10.16 |
| RS50-1B15TQ-N417A |
15 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
10 |
1 |
36 |
76.35 |
84 |
10.16 |
| RS50-1B15TQ-N417B |
15 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
10 |
1 |
36 |
76.35 |
84 |
10.16 |
| RS50-1B15TQ-N418A |
15 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
10 |
1 |
36 |
76.35 |
84 |
10.16 |
| RS50-1B15TQ-N418B |
15 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
10 |
1 |
36 |
76.35 |
84 |
10.16 |
| RS50-1B15TQ-N419A |
15 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
10 |
1 |
36 |
76.35 |
84 |
10.16 |
| RS50-1B15TQ-N419B |
15 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
10 |
1 |
36 |
76.35 |
84 |
10.16 |
| RS50-1B16TQ-N417A |
16 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
10 |
1 |
36 |
81.37 |
89 |
10.16 |
| RS50-1B16TQ-N417B |
16 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
10 |
1 |
36 |
81.37 |
89 |
10.16 |
| RS50-1B16TQ-N418A |
16 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
10 |
1 |
36 |
81.37 |
89 |
10.16 |
| RS50-1B16TQ-N418B |
16 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
10 |
1 |
36 |
81.37 |
89 |
10.16 |
| RS50-1B16TQ-N419A |
16 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
10 |
1 |
36 |
81.37 |
89 |
10.16 |
| RS50-1B16TQ-N419B |
16 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
10 |
1 |
36 |
81.37 |
89 |
10.16 |
| RS50-1B17TQ-N417A |
17 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
10 |
1 |
36 |
86.39 |
94 |
10.16 |
| RS50-1B17TQ-N417B |
17 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
10 |
1 |
36 |
86.39 |
94 |
10.16 |
| RS50-1B17TQ-N418A |
17 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
10 |
1 |
36 |
86.39 |
94 |
10.16 |
| RS50-1B17TQ-N418B |
17 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
10 |
1 |
36 |
86.39 |
94 |
10.16 |
| RS50-1B17TQ-N419A |
17 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
10 |
1 |
36 |
86.39 |
94 |
10.16 |
| RS50-1B17TQ-N419B |
17 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
10 |
1 |
36 |
86.39 |
94 |
10.16 |
| RS50-1B18TQ-N417A |
18 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
10 |
1 |
36 |
91.42 |
100 |
10.16 |
| RS50-1B18TQ-N417B |
18 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
10 |
1 |
36 |
91.42 |
100 |
10.16 |
| RS50-1B18TQ-N418A |
18 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
10 |
1 |
36 |
91.42 |
100 |
10.16 |
| RS50-1B18TQ-N418B |
18 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
10 |
1 |
36 |
91.42 |
100 |
10.16 |
| RS50-1B18TQ-N419A |
18 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
10 |
1 |
36 |
91.42 |
100 |
10.16 |
| RS50-1B18TQ-N419B |
18 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
10 |
1 |
36 |
91.42 |
100 |
10.16 |
| RS50-1B19TQ-N418A |
19 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
10 |
1 |
36 |
96.45 |
105 |
10.16 |
| RS50-1B19TQ-N418B |
19 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
10 |
1 |
36 |
96.45 |
105 |
10.16 |
| RS50-1B19TQ-N419A |
19 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
10 |
1 |
36 |
96.45 |
105 |
10.16 |
| RS50-1B19TQ-N419B |
19 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
10 |
1 |
36 |
96.45 |
105 |
10.16 |
| RS50-1B19TQ-N520A |
19 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
11 |
1 |
41 |
96.45 |
105 |
10.16 |
| RS50-1B19TQ-N520B |
19 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
11 |
1 |
41 |
96.45 |
105 |
10.16 |
| RS50-1B19TQ-N522A |
19 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
11 |
1 |
41 |
96.45 |
105 |
10.16 |
| RS50-1B19TQ-N522B |
19 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
11 |
1 |
41 |
96.45 |
105 |
10.16 |
| RS50-1B19TQ-N524A |
19 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
11 |
1 |
41 |
96.45 |
105 |
10.16 |
| RS50-1B19TQ-N524B |
19 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
11 |
1 |
41 |
96.45 |
105 |
10.16 |
| RS50-1B20TQ-N419A |
20 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
10 |
1 |
36 |
101.48 |
110 |
10.16 |
| RS50-1B20TQ-N419B |
20 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
10 |
1 |
36 |
101.48 |
110 |
10.16 |
| RS50-1B20TQ-N520A |
20 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
11 |
1 |
41 |
101.48 |
110 |
10.16 |
| RS50-1B20TQ-N520B |
20 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
11 |
1 |
41 |
101.48 |
110 |
10.16 |
| RS50-1B20TQ-N522A |
20 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
11 |
1 |
41 |
101.48 |
110 |
10.16 |
| RS50-1B20TQ-N522B |
20 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
11 |
1 |
41 |
101.48 |
110 |
10.16 |
| RS50-1B20TQ-N524A |
20 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
11 |
1 |
41 |
101.48 |
110 |
10.16 |
| RS50-1B20TQ-N524B |
20 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
11 |
1 |
41 |
101.48 |
110 |
10.16 |
| RS50-1B21TQ-N520A |
21 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
11 |
1 |
41 |
106.51 |
115 |
10.16 |
| RS50-1B21TQ-N520B |
21 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
11 |
1 |
41 |
106.51 |
115 |
10.16 |
| RS50-1B21TQ-N522A |
21 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
11 |
1 |
41 |
106.51 |
115 |
10.16 |
| RS50-1B21TQ-N522B |
21 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
11 |
1 |
41 |
106.51 |
115 |
10.16 |
| RS50-1B21TQ-N524A |
21 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
11 |
1 |
41 |
106.51 |
115 |
10.16 |
| RS50-1B21TQ-N524B |
21 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
11 |
1 |
41 |
106.51 |
115 |
10.16 |
| RS50-1B22TQ-N520A |
22 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
11 |
1 |
41 |
111.55 |
120 |
10.16 |
| RS50-1B22TQ-N520B |
22 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
11 |
1 |
41 |
111.55 |
120 |
10.16 |
| RS50-1B22TQ-N522A |
22 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
11 |
1 |
41 |
111.55 |
120 |
10.16 |
| RS50-1B22TQ-N522B |
22 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
11 |
1 |
41 |
111.55 |
120 |
10.16 |
| RS50-1B22TQ-N524A |
22 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
11 |
1 |
41 |
111.55 |
120 |
10.16 |
| RS50-1B22TQ-N524B |
22 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
11 |
1 |
41 |
111.55 |
120 |
10.16 |
| RS50-1B23TQ-N520A |
23 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
11 |
1 |
41 |
116.59 |
125 |
10.16 |
| RS50-1B23TQ-N520B |
23 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
11 |
1 |
41 |
116.59 |
125 |
10.16 |
| RS50-1B23TQ-N522A |
23 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
11 |
1 |
41 |
116.59 |
125 |
10.16 |
| RS50-1B23TQ-N522B |
23 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
11 |
1 |
41 |
116.59 |
125 |
10.16 |
| RS50-1B23TQ-N524A |
23 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
11 |
1 |
41 |
116.59 |
125 |
10.16 |
| RS50-1B23TQ-N524B |
23 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
11 |
1 |
41 |
116.59 |
125 |
10.16 |
| RS50-1B24TQ-N522A |
24 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
11 |
1 |
41 |
121.62 |
130 |
10.16 |
| RS50-1B24TQ-N522B |
24 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
11 |
1 |
41 |
121.62 |
130 |
10.16 |
| RS50-1B24TQ-N524A |
24 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
11 |
1 |
41 |
121.62 |
130 |
10.16 |
| RS50-1B24TQ-N524B |
24 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
11 |
1 |
41 |
121.62 |
130 |
10.16 |
| RS50-1B25TQ-N522A |
25 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
11 |
1 |
41 |
126.66 |
135 |
10.16 |
| RS50-1B25TQ-N522B |
25 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
11 |
1 |
41 |
126.66 |
135 |
10.16 |
| RS50-1B25TQ-N524A |
25 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
A |
11 |
1 |
41 |
126.66 |
135 |
10.16 |
| RS50-1B25TQ-N524B |
25 |
Surface-pressure type |
15.875 |
8.9 |
Sprocket |
B |
11 |
1 |
41 |
126.66 |
135 |
10.16 |
How to Order
Confirm number of teeth, shaft diameter and locking element 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
