Metric HA Adapter Sleeve for Inch Shaft

**TIMKEN Spherical Roller Bearings: HA Adapter Sleeve for Inch Shaft – Precision, Durability, and Versatility**

TIMKEN Spherical Roller Bearings are engineered to deliver exceptional performance in demanding industrial applications, combining robust construction with advanced design to handle heavy radial and axial loads, misalignment, and harsh operating conditions. Among the critical accessories for these bearings, the **HA Metric Adapter Sleeve for Inch Shafts** stands out as a high-precision solution, enabling seamless integration of metric spherical roller bearings onto inch-sized shafts. This innovative component ensures secure mounting, optimal load distribution, and extended bearing life—key factors in reducing downtime and maintenance costs in heavy machinery, automotive systems, and precision equipment.

### **Technical Features & Performance Advantages**
The **HA Adapter Sleeve** is designed to bridge the gap between metric bearings and inch shafts, offering a reliable and efficient mounting solution. Key features include:

– **Precision Fit & Secure Locking:** The sleeve’s tapered design ensures a tight, interference fit on the shaft, minimizing slippage and fretting corrosion even under high vibration or variable load conditions.
– **Ease of Installation & Removal:** Equipped with a threaded end for hydraulic or mechanical mounting tools, the HA sleeve simplifies assembly and disassembly without damaging the shaft or bearing.
– **Enhanced Load Capacity:** By evenly distributing radial and axial forces, the adapter sleeve maximizes bearing performance, reducing stress concentrations that could lead to premature failure.
– **Corrosion & Wear Resistance:** Manufactured from high-quality alloy steel and often surface-treated for added durability, the sleeve withstands harsh environments, including exposure to moisture, dust, and extreme temperatures.

### **Typical Applications**
TIMKEN’s HA Adapter Sleeves are widely used in industries where reliability and precision are critical:

– **Industrial Machinery:** Conveyors, crushers, and gearboxes in mining, cement, and pulp/paper plants benefit from the sleeve’s ability to handle misalignment and shock loads.
– **Automotive & Heavy Equipment:** Off-road vehicles, drivetrains, and wheel hubs leverage the sleeve’s vibration resistance and secure shaft retention.
– **Precision Equipment:** Wind turbine pitch controls, marine propulsion systems, and steel mill rollers rely on the HA sleeve’s dimensional accuracy for smooth operation under fluctuating loads.

By integrating TIMKEN’s **Spherical Roller Bearings with HA Metric Adapter Sleeves**, engineers and maintenance teams achieve longer service life, reduced friction, and improved operational efficiency—key advantages in today’s high-performance industrial landscape. Whether retrofitting legacy equipment or designing new systems, this combination ensures compatibility, durability, and peak performance across diverse applications.

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Part Number d1 L D3 Locknut Lockwasher and Lockplates Appropriate Hydraulic Nut
HA3038
176.21 mm
112 mm
220 mm
KML38
MBL38
HMV 38
HA3138
176.21 mm
141 mm
240 mm
KM38
MB38
HMV 38
HA2338
176.21 mm
169 mm
240 mm
KM38
MB38
HMV 38
HA308
33.34 mm
36 mm
58 mm
KM8
MB8
N/A
HA318
80.96 mm
65 mm
120 mm
KM18
MB18
HMV 18
HA2328
125.41 mm
131 mm
180 mm
KM28
MB28
HMV 28
HA2308
33.34 mm
46 mm
58 mm
KM8
MB8
N/A
HA2318
80.96 mm
86 mm
120 mm
KM18
MB18
HMV 18
HA3030
131.76 mm
87 mm
180 mm
KML30
MBL30
HMV 30
HA309
36.51 mm
39 mm
65 mm
KM9
MB9
N/A
HA320
87.31 mm
71 mm
130 mm
KM20
MB20
HMV 20
HA3130
131.76 mm
111 mm
195 mm
KM30
MB30
HMV 30
HA2309
36.51 mm
50 mm
65 mm
KM9
MB9
N/A
HA3120
87.31 mm
76 mm
130 mm
KM20
MB20
HMV 20
HA2330
131.76 mm
139 mm
195 mm
KM30
MB30
HMV 30
HA310
42.86 mm
42 mm
70 mm
KM10
MB10
HMV 10
HA2320
87.31 mm
97 mm
130 mm
KM20
MB20
HMV 20
HA3032
138.11 mm
93 mm
190 mm
KML32
MBL32
HMV 32
HA2310
42.86 mm
55 mm
70 mm
KM10
MB10
HMV 10
HA322
100.01 mm
77 mm
145 mm
KM22
MB22
HMV 22