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Product Specifications:
| Item | Jaw Coupling Hub |
| Bore Dia. | 1 7/8" |
| Bore Size | 1 mm |
| Bore Tolerance | +0.0005" to +0.0015" |
| Bore Type | Round Bore With Keyway |
| Center | 1" |
| Compatible Center Element Manufacturer Part No. | L190H, L190N, L190U |
| Coupling Overall Length | 4 7/8" |
| Coupling Size | L190 |
| Element Type | Jaw Coupling Hub |
| For Shaft Type | Keyed |
| Hp @ 100 Speed | 2.7 hp Buna-N Spider, 4.1 hp Urethane Spider, 7.4 hp Hytrel Spider |
| Hub Dia. | 4" |
| Hub Material | Cast Iron |
| Hub Projection | 1 15/16" |
| Included Screws | Set Screw |
| Jaw Profile | Straight |
| Jaw Type | Straight |
| Key Way Size | 1/2" x 1/4" |
| Keyway Depth | 1/4" |
| Keyway Width | 1/2" |
| Length Through Bore | 1.9" |
| Max. Angular Misalignment | 0.015" |
| Max. Bore Dia. | 2 1/8" |
| Max. Operating Temp. | 250°F |
| Max. Parallel Misalignment | 0.015" |
| Max. Speed | 5000 RPM |
| Min. Operating Temp. | -31°F |
| No. Of Locking Screws | 1 |
| Outside Dia. | 4 1/2" |
| Overall Length | 4 22/25" |
| Product Type | L-Jaw Hub |
| Rated Torque For Spider Types | 1762 lbs.-in. (Buna-N), 2589 lbs.-in. (Urethane), 4680 lbs.-in. (Hytrel) |
| Resistance Properties | Chemical Resistant, Oil Resistant |
| Screw Thread Size | 7/16"-14 UNC 2B |
| Set Screw Length | 5/8" |
| Set Screw Thread Class | Class 2B |
| Set Screw Thread Size | 7/16"-14 |
| Set Screw Thread Type | Coarse |
| Setscrew | 7/16-14 UNC - 2B |
| Shaft Locking Type | Set Screw |
| Size | L190 |
| System Of Measurement | Imperial |
Shipping Info:
| Ship weight (kg) | 3.11 |
| Ship height (cm) | 11.43 |
| Ship length (cm) | 12.4 |
| Ship width (cm) | 11.43 |
Product Variants
| Product | Model | Key Way Size | Hub Material | Bore Size | Length Through Bore | Coupling Size | Set Screw Thread Size | Max. Parallel Misalignment | Set Screw Length | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
L05038NK | No Keyway | Carbon Steel | 3/8" | 0.6" | L050 | 1/4"-20 | 0.015" | 1/4" | €9.01 | |
![]() |
L05012 | 1/8" x 1/16" | Sinter Carbon Steel | 1/2" | - | - | 1/4"-20 | 0.015" | 1/4" | €6.29 | |
![]() |
L07012 | 1/8" x 1/16" | Sinter Carbon Steel | - | 1 1/4" | - | 1/4"-20 | 0.015" | 1/4" | €9.76 | |
![]() |
L07014NK | No Keyway | Sinter Carbon Steel | 1/4" | 1 1/4" | - | 1/4"-20 | 0.015" | 1/4" | €10.43 | |
![]() |
L0707/16NK | No Keyway | Sinter Carbon Steel | - | 1 1/4" | - | 1/4"-20 | 0.015" | 1/4" | €15.04 | |
![]() |
L0705/16NK | No Keyway | Sinter Carbon Steel | 0.312" | 1 1/4" | - | 1/4"-20 | 0.015" | 1/4" | €10.43 | |
![]() |
L07012NK | No Keyway | Carbon Steel | 1/2" | 0.8" | L070 | 1/4"-20 | 0.015" | 1/4" | €15.08 |
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TB WOODS L190178 L-Jaw Hub, Cast Iron, L190 Size, 1.875 inch Bore Dia., 4.5 inch Outer Dia.
€202.86 /unit




