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
KM17
M85x2
110 mm
110 mm
16 mm
MB 17
N/A
KM18
M90x2
120 mm
120 mm
16 mm
MB 18
N/A
KM19
M95x2
125 mm
125 mm
17 mm
MB 19
N/A
HM30/1000
Tr1000x8
1140 mm
1140 mm
100 mm
N/A
MS 30/1000
HM31/1000
Tr1000x8
1240 mm
1240 mm
125 mm
N/A
MS 31/1000
HM30/1060
Tr1060x8
1200 mm
1200 mm
100 mm
N/A
MS 30/1060
HM31/1060
Tr1060x8
1300 mm
1300 mm
125 mm
N/A
MS 31/1060
HML41T
Tr205x4
250 mm
250 mm
30 mm
N/A
N/A
HM42T
Tr210x4
270 mm
270 mm
30 mm
N/A
N/A
HML43T
Tr215x4
260 mm
260 mm
30 mm
N/A
N/A
HM3144
Tr220x4
280 mm
280 mm
32 mm
N/A
MS3144
HM3044
Tr220x4
260 mm
260 mm
30 mm
N/A
MS3044
HM44T
Tr220x4
280 mm
280 mm
32 mm
N/A
N/A
HM46T
Tr230x4
290 mm
290 mm
34 mm
N/A
N/A
HML47T
Tr235x4
280 mm
280 mm
34 mm
N/A
N/A
HM3148
Tr240x4
300 mm
300 mm
34 mm
N/A
MS3148
HM3048
Tr240x4
290 mm
290 mm
34 mm
N/A
MS3048
HM48T
Tr240x4
300 mm
300 mm
34 mm
N/A
N/A
HM50T
Tr250x4
320 mm
320 mm
35 mm
N/A
N/A
HM3152
Tr260x4
330 mm
330 mm
36 mm
N/A
MS3152
HM3052
Tr260x4
310 mm
310 mm
34 mm
N/A
MS3052
HML52T
Tr260x4
310 mm
310 mm
30 mm
N/A
N/A
HM52T
Tr260x4
330 mm
330 mm
36 mm
N/A
N/A
HM54T
Tr270x4
340 mm
340 mm
36 mm
N/A
N/A