50 Stainless Steel Roller Chain | ANSI 50SS Chain
Carbon Steel Chains
| Features | Premium/Premier | General Duty Plus | Economy Plus |
|---|---|---|---|
| Solid Bushings | Split Bushings in most cases | Split Bushings | |
| Solid Rollers | |||
| Through-Hardened Pins | Case-Hardened Pins | Heat-Treated Pins | |
| Case-Hardened Rollers | Heat-Treated in Some Chains | ||
| Case-Hardened Bushings | Heat-Treated in Some Chains | ||
| Wide Contour Plates | Standard Contour Plates | Standard Contour Plates | |
| Superior Pin to Plate Contact | |||
| High-Hold Riveting | Standard Dual-Stake Rivets | Standard Dual-Stake Rivets | |
| Factory Pre-Loading | Not Standard on Economy Chains | ||
| Specific Heat-Treatment on Every Component | Some Components Might be Heat-Treated | ||
| Premium Alloy & Carbon Materials | High-Quality Carbon Materials | Standard-Quality Carbon Materials | |
| Shot-Peened Components | Non Shot-Peened Components | Non Shot-Peened Components | |
| High-Precision Components | Standard Precision Components | Low Precision Components | |
| Conforms to ANSI B29.1 or ISO/DIN Standards |
304 Stainless Steel Composition:
Carbon - 0.080%
Manganese - 2.000%
Phosphorus - 0.045%
Sulfur - 0.030%
Silicon - 0.750%
Chromium -18.000% - 20.000%
Nickel - 8.000% - 10.500%
Aluminum - 0.100%
Chain Temperature Range: -200° to + 400°50SS Roller Chain Dimensions

- Size: 50SS
- Pitch (P): 0.625"
- Roller Diameter (D1): 0.400"
- Width Between Inner Plates (B1): 0.375"
- Pin Diameter (D2): 0.208"
- Pin Length (LR): 0.86"
- Pin Length (LC): 1.01"
- Inner Plate Height (H2): 0.59"
- Plate Thickness (T): 0.080"
- Tensile Strength: 3,779 LBS
- Weight: 0.7 LBS/ FT
Download The 50SS Chain Data PageAdditional Upgrades or Options:
Because out 50SS chain is manufactured under the American National Standards Institute (ANSI) B29.1 dimensional specifications it runs on standard sprockets and directly interchanges with other ANSI chains. The below charts show our standard 50 stainless steel roller chain sprockets.
50 Stainless Steel Sprockets
B-Hub 50SS Sprockets:

|
Size
|
Tooth Count
|
Outside Diameter
|
Type
|
Stock Bore
|
Maximum Recommended Bore
|
Hub Diameter
|
Length Thru Bore
|
Weight (LBS)
|
|---|---|---|---|---|---|---|---|---|
| 50B8SS | 8 | 1.884" | B | 5/8" | 5/8" | 1-1/8" | 1" | 0.25 |
| 50B9SS | 9 | 2.093" | B | 5/8" | 3/4" | 1-3/8" | 1" | 0.36 |
| 50B10SS | 10 | 2.300" | B | 5/8" | 7/8" | 1-9/16" | 1" | 0.50 |
| 50B11SS | 11 | 2.500" | B | 5/8" | 1" | 1-3/4" | 1" | 0.60 |
| 50B12SS | 12 | 2.710" | B | 5/8" | 1-1/4" | 1-61/64" | 1" | 0.70 |
| 50B13SS | 13 | 2.910" | B | 5/8" | 1-5/16" | 1-7/8" | 1" | 0.80 |
| 50B14SS | 14 | 3.110" | B | 5/8" | 1-7/16" | 2-1/8" | 1" | 1.00 |
| 50B15SS | 15 | 3.320" | B | 5/8" | 1-1/2" | 2-3/8" | 1" | 1.30 |
| 50B16SS | 16 | 3.520" | B | 5/8" | 1-3/4" | 2-1/4" | 1" | 1.50 |
| 50B17SS | 17 | 3.720" | B | 5/8" | 1-7/8" | 2-11/16" | 1" | 1.80 |
| 50B18SS | 18 | 3.920" | B | 5/8" | 1-7/8" | 2-7/8" | 1" | 2.00 |
| 50B19SS | 19 | 4.120" | B | 5/8" | 1-3/4" | 2-1/2" | 1" | 2.23 |
| 50B20SS | 20 | 4.320" | B | 3/4" | 1-3/4" | 3" | 1" | 2.30 |
| 50B21SS | 21 | 4.520" | B | 3/4" | 2" | 3" | 1" | 2.42 |
| 50B22SS | 22 | 4.720" | B | 3/4" | 2" | 3" | 1" | 2.54 |
| 50B23SS | 23 | 4.920" | B | 3/4" | 2" | 3" | 1" | 2.67 |
| 50B24SS | 24 | 5.120" | B | 3/4" | 2" | 3" | 1-1/4" | 3.38 |
| 50B25SS | 25 | 5.320" | B | 3/4" | 2" | 3" | 1-1/4" | 3.42 |
| 50B26SS | 26 | 5.520" | B | 3/4" | 2" | 3" | 1-1/4" | 3.57 |
| 50B28SS | 28 | 5.920" | B | 3/4" | 2" | 3" | 1-1/4" | 3.88 |
| 50B30SS | 30 | 6.320" | B | 3/4" | 2-1/4" | 3-1/4" | 1-1/4" | 4.54 |
| 50B32SS | 32 | 6.721" | B | 3/4" | 2-1/4" | 3-1/4" | 1-1/4" | 4.96 |
| 50B35SS | 35 | 7.320" | B | 3/4" | 2-1/4" | 3-1/4" | 1-1/4" | 5.44 |
| 50B36SS | 36 | 7.519" | B | 3/4" | 2-1/4" | 3-1/4" | 1-1/4" | 5.64 |
| 50B40SS | 40 | 8.320" | B | 3/4" | 2-1/4" | 3-1/4" | 1-1/4" | 6.50 |
| 50B45SS | 45 | 9.310" | B | 3/4" | 2-1/2" | 3-3/4" | 1-1/4" | 8.50 |
| 50B48SS | 48 | 9.911" | B | 1" | 2-1/2" | 3-3/4" | 1-1/4" | 9.28 |
| 50B54SS | 54 | 11.106" | B | 1" | 2-1/2" | 3-3/4" | 1-1/4" | 11.00 |
| 50B60SS | 60 | 12.300" | B | 1" | 2-1/2" | 3-3/4" | 1-1/4" | 14.00 |


|
Size
|
Tooth Count
|
Outside Diameter
|
Weight (LBS)
|
|---|---|---|---|
| 50A13SS | 13 | 2.910" | 0.42 |
| 50A14SS | 14 | 3.110" | 0.50 |
| 50A15SS | 15 | 3.320" | 0.54 |
| 50A16SS | 16 | 3.520" | 0.68 |
| 50A17SS | 17 | 3.720" | 0.76 |
| 50A18SS | 18 | 3.920" | 0.86 |
| 50A19SS | 19 | 4.120" | 0.94 |
| 50A20SS | 20 | 4.320" | 1.06 |
| 50A21SS | 21 | 4.520" | 1.40 |
| 50A22SS | 22 | 4.720" | 1.60 |
| 50A23SS | 23 | 4.920" | 1.70 |
| 50A24SS | 24 | 5.120" | 1.80 |
| 50A25SS | 25 | 5.320" | 1.90 |
| 50A26SS | 26 | 5.520" | 1.70 |
| 50A28SS | 28 | 5.920" | 2.50 |
| 50A30SS | 30 | 6.320" | 2.70 |
| 50A32SS | 32 | 6.721" | 2.72 |
| 50A35SS | 35 | 7.320" | 3.70 |
| 50A36SS | 36 | 7.519" | 3.82 |
| 50A40SS | 40 | 8.320" | 4.70 |
| 50A45SS | 45 | 9.310" | 6.00 |
| 50A46SS | 46 | 9.911" | 6.58 |
| 50A54SS | 54 | 11.106" | 8.30 |
| 50A60SS | 60 | 12.300" |
10.80 |

- Size: 50SS
- Pitch (P): 0.625"
- Roller Diameter (D1): 0.400"
- Width Between Inner Plates (B1): 0.375"
- Pin Diameter (D2): 0.208"
- Pin Length (LR): 0.86"
- Pin Length (LC): 1.01"
- Inner Plate Height (H2): 0.59"
- Plate Thickness (T): 0.080"
- Tensile Strength: 3,779 LBS
- Weight: 0.7 LBS/ FT