Metric Locknut

**TIMKEN Spherical Roller Bearings: Precision, Durability, and Versatility for Demanding Applications**

TIMKEN Spherical Roller Bearings are engineered to deliver exceptional performance in the most challenging industrial environments. Designed to accommodate heavy radial loads, moderate thrust loads, and significant misalignment, these bearings are a cornerstone of reliability in machinery where durability and precision are critical. Available in both metric and inch configurations, TIMKEN Spherical Roller Bearings are complemented by a range of high-quality accessories, including metric locknuts, ensuring secure mounting and optimal performance in diverse applications.

### **Technical Features & Performance Advantages**
TIMKEN Spherical Roller Bearings feature a robust design with two rows of barrel-shaped rollers, a common spherical outer ring raceway, and dual inner ring raceways. This unique geometry allows the bearings to self-align, compensating for shaft misalignment and housing deflection—key advantages in applications where operational alignment cannot be guaranteed. The bearings are available in open, sealed, or shielded configurations, providing flexibility for different lubrication and contamination control requirements.

Key technical benefits include:
– **High Load Capacity:** Optimized roller profiles and premium steel construction enable superior radial and axial load handling.
– **Extended Service Life:** Advanced heat treatment processes and precision grinding reduce friction and wear, enhancing longevity.
– **Misalignment Compensation:** Accommodates up to 2° of static and dynamic misalignment, reducing stress on adjacent components.
– **Enhanced Lubrication Retention:** Options include factory-applied grease or specialized coatings for extreme conditions.

For secure installation, TIMKEN offers **metric locknuts** designed to maintain precise bearing preload and prevent loosening under high-vibration conditions. These locknuts feature precision threads and locking mechanisms, ensuring consistent clamping force and operational reliability.

### **Typical Applications**
TIMKEN Spherical Roller Bearings and their accessories are widely used in industries requiring robust power transmission solutions, including:
– **Industrial Machinery:** Conveyors, gearboxes, crushers, and pulverizers benefit from their ability to handle shock loads and misalignment.
– **Mining & Construction:** Excavators, bulldozers, and drilling equipment rely on their durability in abrasive, high-load environments.
– **Material Handling:** Crane hooks, hoists, and heavy-duty conveyors use these bearings for smooth operation under variable loads.
– **Wind Energy:** Turbine pitch and yaw systems demand the bearings’ ability to withstand dynamic forces and misalignment.
– **Automotive & Transportation:** Heavy-duty axles, transmissions, and off-road vehicles utilize their high load capacity and resilience.

With a legacy of engineering excellence, TIMKEN Spherical Roller Bearings—along with their metric and inch accessories—deliver unmatched performance, reducing downtime and maintenance costs across critical applications. Whether in harsh industrial settings or precision mechanical systems, these bearings provide the strength, alignment flexibility, and reliability needed to keep operations running smoothly.

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Part Number Thread D1 D3 D4 Bn Lockwasher Suitable Lockplate No
HM3156
Tr280x4
350 mm
350 mm
38 mm
N/A
MS3156
HM3056
Tr280x4
330 mm
330 mm
38 mm
N/A
MS3056
HML56T
Tr280x4
330 mm
330 mm
30 mm
N/A
N/A
HM56T
Tr280x4
350 mm
350 mm
38 mm
N/A
N/A
HM58T
Tr290x4
365 mm
365 mm
36 mm
N/A
N/A
HM3160
Tr300x4
380 mm
380 mm
40 mm
N/A
MS3160
HM3060
Tr300x4
360 mm
360 mm
42 mm
N/A
MS3060
HM60T
Tr300x4
370 mm
370 mm
36 mm
N/A
N/A
HML60T
Tr300x4
360 mm
360 mm
31 mm
N/A
N/A
HM62T
Tr310x5
380 mm
380 mm
36 mm
N/A
N/A
HM3164
Tr320x5
400 mm
400 mm
42 mm
N/A
MS3164
HM3064
Tr320x5
380 mm
380 mm
42 mm
N/A
MS3064
KM20
M100x2
130 mm
130 mm
18 mm
MB 20
N/A
KM21
M105x2
140 mm
140 mm
18 mm
MB 21
N/A
KM0
M10x0.75
18 mm
18 mm
4 mm
MB 00
N/A
KM22
M110x2
145 mm
145 mm
19 mm
MB 22
N/A
KM23
M115x2
150 mm
150 mm
19 mm
MB 23
N/A
KM24
M120x2
155 mm
155 mm
20 mm
MB 24
N/A
KML24
M120x2
145 mm
145 mm
20 mm
MBL 24
N/A
KM25
M125x2
160 mm
160 mm
21 mm
MB 25
N/A
KM1
M12x1
22 mm
22 mm
4 mm
MB 01
N/A
KM26
M130x2
165 mm
165 mm
21 mm
MB 26
N/A
KML26
M130x2
155 mm
155 mm
21 mm
MBL 26
N/A
KM27
M135x2
175 mm
175 mm
22 mm
MB 27
N/A