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
HM30/600
Tr600x6
700 mm
700 mm
75 mm
N/A
MS 30/600
HM30/950
Tr950x8
1080 mm
1080 mm
100 mm
N/A
MS 30/950
HM31/600
Tr600x6
750 mm
750 mm
85 mm
N/A
MS 31/600
HM31/950
Tr950x8
1170 mm
1170 mm
125 mm
N/A
MS 31/950
HM30/630
Tr630x6
730 mm
730 mm
75 mm
N/A
MS 30/630
HM31/630
Tr630x6
800 mm
800 mm
95 mm
N/A
MS 31/630
HM30/670
Tr670x6
780 mm
780 mm
80 mm
N/A
MS 30/670
HM31/670
Tr670x6
850 mm
850 mm
106 mm
N/A
MS 31/670
HM3172
Tr360x5
460 mm
460 mm
58 mm
N/A
MS3172
HM3084
Tr420x5
490 mm
490 mm
52 mm
N/A
MS3084
HM3072
Tr360x5
420 mm
420 mm
45 mm
N/A
MS3072
HM84T
Tr420x5
520 mm
520 mm
49 mm
N/A
N/A
HM72T
Tr360x5
440 mm
440 mm
45 mm
N/A
N/A
HML86T
Tr430x5
500 mm
500 mm
41 mm
N/A
N/A
HML72T
Tr360x5
420 mm
420 mm
35 mm
N/A
N/A
HM3188
Tr440x5
560 mm
560 mm
70 mm
N/A
MS3188
HML73T
Tr365x5
430 mm
430 mm
35 mm
N/A
N/A
HM3088
Tr440x5
520 mm
520 mm
60 mm
N/A
MS3088
HM74T
Tr370x5
450 mm
450 mm
45 mm
N/A
N/A
HM88T
Tr440x5
540 mm
540 mm
51 mm
N/A
N/A