Overview
The TB Woods SKX40MM is a quick disconnect bushing designed for fast, reliable mounting and removal of pulleys, sheaves, and sprockets on drive shafts. This SK-series bushing delivers 7,000 inch-pounds of torque capacity and features a split-flange design that provides strong mechanical clamping without requiring shaft removal. Cast iron construction ensures durability in high-power industrial and motion-control applications.
Key Features
- Quick Disconnect Design: Split flange and taper allow fast mounting and removal without disturbing the shaft
- Strong Clamping: Tapered bore provides secure, precise grip on rotating equipment
- Keyway with Setscrew: Optional setscrew over the keyway prevents movement during vertical operation and under vibrating loads
- Cast Iron Construction: Durable material rated for industrial duty and long service life
- Interchangeable Design: Compatible with quick disconnect bushings from various manufacturers following SK-series standards
Technical Specifications
| Bushing Type | SK Quick Disconnect (Sure-Grip) |
| Bore Diameter | 40 mm |
| Flange Outer Diameter | 3.8750 in |
| Length Through Bushing | 1.8750 in |
| Material | Cast Iron |
| Torque Capacity | 7,000 inch-pounds |
| Flange Type | Split |
| Taper Ratio | 3/4 in per ft on diameter |
| Keyway | Standard rectangular keyway with optional setscrew |
| Mounting Hardware | Includes cap screws |
Typical Applications
- Pulley mounting on motor and drive shafts
- Sheave mounting for belt-drive systems
- Sprocket mounting for chain drives
- Industrial machinery requiring fast tool or component changes
- Agricultural equipment and construction machinery
Compatibility & Replacements
Compatible With
- TB Woods SK-series sheaves and pulleys with bushed bores
- Standard industrial drive shafts (40mm diameter capacity)
- Power transmission equipment requiring quick-change bushings
- Belt-drive and chain-drive systems in industrial and commercial applications
Replaces / Drop-In Replacement For
- Other manufacturer SK40mm quick disconnect bushings complying with SK-series standards
- Previous generations of TB Woods SK40mm bushings
Works With
- TB Woods Sure-Grip bushing lineup (available in inch and metric sizes)
- Standard rectangular shaft keys and keyseats
- Industrial sheaves, pulleys, and sprockets with corresponding bushed bores
- Cap screw mounting systems (hardware included)
