Metric HE/HS Adapter Sleeve for Inch Shaft

**TIMKEN Spherical Roller Bearings: HEHS Adapter Sleeves for Metric Bearings on Inch Shafts**

TIMKEN spherical roller bearings are engineered to deliver unmatched reliability and performance in demanding industrial applications. Designed to accommodate heavy radial loads, moderate thrust loads, and shaft misalignment, these bearings are a preferred choice for machinery operating under harsh conditions. A critical component in optimizing their performance is the **TIMKEN HEHS adapter sleeve**, which enables the secure mounting of metric spherical roller bearings onto inch-sized shafts. This seamless compatibility ensures precision, durability, and ease of installation across diverse industrial systems.

### **Technical Features & Performance Advantages**
The **TIMKEN HEHS adapter sleeve** bridges the gap between metric bearing bores and inch-diameter shafts, eliminating the need for costly custom machining. Key features include:

– **Precision Fit**: Manufactured to exacting tolerances, the HEHS sleeve ensures a tight, vibration-free connection between bearing and shaft, reducing wear and extending service life.
– **Simplified Installation**: The sleeve’s tapered design allows for easy mounting and dismounting using standard tools, minimizing downtime during maintenance or replacements.
– **Robust Construction**: Made from high-strength steel, the sleeve resists deformation under heavy loads and high-speed operation, maintaining alignment integrity.
– **Versatile Compatibility**: Designed for use with TIMKEN’s metric spherical roller bearings, it supports applications where inch shafts are standard, such as legacy equipment or region-specific machinery.

When paired with TIMKEN spherical roller bearings—known for their **self-aligning capability, high load capacity, and superior fatigue resistance**—the HEHS adapter sleeve ensures optimal power transmission efficiency even in misaligned or oscillating shaft conditions.

### **Typical Applications**
TIMKEN spherical roller bearings with HEHS adapter sleeves are widely used in industries where reliability and adaptability are critical:

– **Industrial Machinery**: Conveyors, crushers, and gearboxes benefit from the bearing’s ability to handle misalignment and shock loads in mining, cement, and aggregate processing.
– **Material Handling**: Overhead cranes, pulley systems, and heavy-duty fans rely on these bearings for smooth operation under variable loads.
– **Automotive & Transportation**: Found in drivetrains and axle systems, particularly in off-road and construction vehicles requiring durability in uneven operating conditions.
– **Precision Equipment**: Printing presses and paper mill rollers use these bearings to maintain accuracy despite thermal expansion or dynamic stresses.

By combining TIMKEN’s advanced bearing technology with the HEHS adapter sleeve, engineers can achieve **longer service intervals, reduced maintenance costs, and enhanced operational efficiency** in mixed-unit systems. Whether upgrading legacy equipment or designing new systems, this solution ensures seamless integration and peak performance across metric and inch standards.

For industries demanding resilience, precision, and cross-dimensional flexibility, TIMKEN’s spherical roller bearings and HEHS adapter sleeves deliver a proven, high-performance answer.

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Part Number d1 L D3 Locknut Lockwasher and Lockplates Appropriate Hydraulic Nut
HE319
82.55 mm
68 mm
125 mm
KM19
MB19
HMV 19
HE3128
127 mm
97 mm
180 mm
KM28
MB28
HMV 28