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Product Specifications:
| Item | Jaw Coupling |
| Coupling Size | 190 |
| Hub Diameter | 4 1/2" |
| Keyway Size | 1/2" x 1/4" |
| Length Through Bore | 1 15/16" |
| Material | Steel |
| Maximum Speed | 3600 RPM |
| Outside Dia. | 4 1/2" |
| Series | MS Super Series |
| Type | Finished |
Shipping Info:
| Ship weight (kg) | 2.03 |
| Ship length (cm) | 11.43 |
| Ship width (cm) | 11.43 |
| Country of Origin | US |
Product Variants
| Product | Model | Coupling Size | Outside Dia. | Keyway Size | Length Through Bore | Type | Material | Price | |
|---|---|---|---|---|---|---|---|---|---|
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MS100 1/2 | 100 | 2.531" | - | 1 3/8" | Reborable Bore | Steel | €50.61 | |
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MS100BLK 1/2 | 100 | 2.531" | - | 1 3/8" | Reborable Bore | Steel | €50.61 | |
![]() |
MS100 9/16 | 100 | 2.531" | 1/8" x 1/16" | 1 3/8" | Finished | Steel | €50.61 | |
![]() |
MS100 5/8 | 100 | 2.531" | 3/16" x 3/32" | 1 3/8" | Finished | Steel | €50.61 | |
![]() |
MS100 11/16 | 100 | 2.531" | 3/16" x 3/32" | 1 3/8" | Finished | Steel | €50.61 | |
![]() |
MS100 3/4 | 100 | 2.531" | - | 1 3/8" | Bored to Size | Steel | €50.61 | |
![]() |
MS100 13/16 | 100 | 2.531" | 3/16" x 3/32" | 1 3/8" | Finished | Steel | €50.61 |
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Contact us
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We're available Monday through Friday, from 07:30 until 17:00.
MARTIN SPROCKET MS190 1 13/16 Jaw Coupling, 190 Size, 4.5 Inch O.D., 1.813 Inch Bore, Bore To Size, Cast Iron
€162.79 /unit


