Overview
The SKF SNW 28X4.15/16 is a precision-engineered adapter sleeve assembly manufactured by SKF, a leader in bearing and power transmission components. This tapered threaded sleeve is engineered for secure bearing mounting on shafts and provides reliable support in industrial machinery, conveyor systems, and motion control applications. The unit comes complete with sleeve, locknut, and lockwasher components, making it a ready-to-install solution for OEM and retrofit applications.
Key Features
- Tapered threaded design for secure axial locking on shaft
- Complete assembly includes S-28 sleeve, AN-28 locknut, and W-28 lockwasher
- Precision bore diameter and threading for accurate bearing alignment
- Steel construction for durability and load capacity
- Inch-dimension specifications for North American industrial equipment
Technical Specifications
The SKF SNW 28X4.15/16 delivers industry-standard performance for bearing installation applications:
- Bore Diameter: 4-15/16 inches (125.425 mm)
- Shaft Diameter (Taper): 3.9709 inches (100.92 mm)
- Overall Length (Thru Bore): 3.981 inches (101.12 mm)
- Outside Diameter: 7.099 inches (180.31 mm)
- Thread Size: 5.497 inches (ISO/UNC standard)
- Width: 1.063 inches (27 mm)
- Material: Steel
- Weight: 4.67 kg (10.3 lbs)
- Mounting Style: Tapered threaded sleeve on shaft
- Series: SNW 28 (adapter sleeve series)
Typical Applications
The SKF SNW 28X4.15/16 is commonly used in:
- Industrial machinery bearing installations and replacements
- Conveyor drive systems and pulley mounting
- Fan and blower bearing supports
- Pump and motor coupling assemblies
- Gearbox input/output shaft bearing mounts
Compatibility & Replacements
Compatible With
- SKF rolling bearings with matching bore sizes (4-15/16″ nominal)
- Industrial shafts sized 3.9709 inches in diameter
- Standard bearing housings and machine frames
- OEM mechanical power transmission systems
Replaces / Drop-In Replacement For
- Direct replacement for OEM SNW 28X4.15/16 units
- Compatible with applications originally specified SNW 28 series adapters
Works With
- SKF S-28 sleeve components
- SKF AN-28 locknut
- SKF W-28 lockwasher and lockplate
- Standard metric and inch-dimension bearing accessories
