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
HE3132
139.7 mm
119 mm
210 mm
KM32
MB32
HMV 32
HE2344
203.2 mm
186 mm
280 mm
HM44T
MB 44
HMV 44
HE2332
139.7 mm
147 mm
210 mm
KM32
MB32
HMV 32
HE3034
152.4 mm
101 mm
200 mm
KML34
MBL34
HMV 34
HE3134
152.4 mm
122 mm
220 mm
KM34
MB34
HMV 34
HE2334
152.4 mm
154 mm
220 mm
KM34
MB34
HMV 34
HE3036
165.1 mm
109 mm
210 mm
KML36
MBL36
HMV 36
HE3136
165.1 mm
131 mm
230 mm
KM36
MB36
HMV 36
HE2336
165.1 mm
161 mm
230 mm
KM36
MB36
HMV 36
HE3038
171.45 mm
112 mm
220 mm
KML38
MBL38
HMV 38
HE3138
171.45 mm
141 mm
240 mm
KM38
MB38
HMV 38
HE2338
171.45 mm
169 mm
240 mm
KM38
MB38
HMV 38
HE2328
127 mm
131 mm
180 mm
KM28
MB28
HMV 28
HE3040
177.8 mm
120 mm
240 mm
KML40
MBL40
HMV 40
HE3030
133.35 mm
87 mm
180 mm
KML30
MBL30
HMV 30
HE3140
177.8 mm
150 mm
250 mm
KM40
MB40
HMV 40
HE3130
133.35 mm
111 mm
195 mm
KM30
MB30
HMV 30
HE2340
177.8 mm
176 mm
250 mm
KM40
MB40
HMV 40
HE2330
133.35 mm
139 mm
195 mm
KM30
MB30
HMV 30
HE3044
203.2 mm
126 mm
260 mm
HM 3044
MS 3044
HMV 44