Tapered Roller Bearings – 2TS-DM (Matched Bearing Assembly, Direct Mount)

Tapered Roller Bearings Product Introduction

**TIMKEN Tapered Roller Bearings: Precision, Durability, and Performance for Demanding Applications**

For over a century, TIMKEN has been a global leader in engineered bearings and mechanical power transmission solutions, delivering unmatched reliability and performance in the most demanding industrial and automotive applications. Among its flagship products, **TIMKEN Tapered Roller Bearings** stand out for their superior load-carrying capacity, precision alignment, and extended service life. Specifically, the **2TS (Matched Bearing Assembly)** and **2TS DM (Matched Bearing Assembly, Direct Mount)** series exemplify TIMKEN’s commitment to innovation, offering optimized designs for high-performance machinery, automotive systems, and heavy industrial equipment.

### **Technical Features & Design Advantages**

TIMKEN’s **2TS and 2TS DM tapered roller bearings** are precision-engineered matched assemblies, designed to simplify installation while maximizing performance. These bearings feature:

– **Optimized Load Distribution**: The tapered geometry allows for combined radial and thrust load handling, making them ideal for applications with complex force dynamics.
– **Precision Matching**: Pairs of bearings are selectively matched to ensure uniform load sharing, reducing stress concentrations and extending bearing life.
– **Robust Construction**: High-quality steel alloys and advanced heat treatment processes enhance durability, even in high-speed or high-temperature environments.
– **Direct Mount (DM) Convenience**: The **2TS DM series** incorporates a pre-set axial clearance or preload, eliminating the need for manual adjustment during installation—saving time and reducing assembly errors.
– **Sealing & Lubrication Options**: Available with integrated seals or open designs, these bearings support various lubrication methods, including grease and oil, for optimal performance in diverse operating conditions.

### **Performance Benefits**

TIMKEN’s matched tapered roller bearings deliver critical advantages for industrial and automotive systems:

– **Enhanced Equipment Uptime**: Reduced friction and wear minimize maintenance requirements, lowering total cost of ownership.
– **Superior Rigidity & Alignment**: Precisely controlled internal geometry ensures stable operation in high-precision applications such as machine tools and gearboxes.
– **Versatility Across Industries**: From heavy-duty mining equipment to high-speed automotive drivetrains, these bearings excel in harsh environments.

### **Typical Applications**

– **Industrial Machinery**: Gearboxes, conveyors, pumps, and compressors benefit from the bearings’ ability to handle heavy loads and misalignment.
– **Automotive Systems**: Wheel hubs, differentials, and transmissions rely on TIMKEN’s tapered roller bearings for durability and smooth operation.
– **Precision Equipment**: Machine tool spindles and robotics demand the tight tolerances and reliability that TIMKEN’s matched assemblies provide.

Whether in a rugged mining operation or a high-performance automotive application, **TIMKEN 2TS and 2TS DM tapered roller bearings** deliver the strength, precision, and longevity needed to keep critical systems running efficiently. Backed by TIMKEN’s engineering expertise and global support, these bearings represent the gold standard in power transmission reliability.

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Part Number d - Bore D - Cup Outer Diameter T - Width B - Widthh C1 - Dynamic Radial Rating (1 million revolutions)
M249747 - M249710 (K664524)
257.175 mm
358.775 mm
142.876 mm
152.4 mm
1450000 N
LM772748 - LM772710 (K171757)
488.950 mm
634.873 mm
168.275 mm
168.275 mm
3240000 N
LM451347 - LM451310 (LM451310EC)
264.975 mm
355.6 mm
114.3 mm
124 mm
1110000 N
EE755285 - 755360 (K162084)
723.900 mm
914.400 mm
168.275 mm
161.924 mm
4150000 N
H852849 - H852810 (H852810EB)
266.7 mm
444.5 mm
241.3 mm
234.95 mm
3180000 N
EE175300 - 175350 (Y2S-175350)
762.000 mm
889.000 mm
139.700 mm
139.700 mm
1880000 N
EE128111 - 128160 (X3S-128111 - Y2S-128160)
280.192 mm
406.400 mm
164.148 mm
159.794 mm
1510000 N
EE157337 - 157430 (Y1S-157430)
857.250 mm
1092.200 mm
241.3 mm
222.250 mm
5060000 N
545112 - 545141 (Y2S-545141)
285.750 mm
358.775 mm
66.675 mm
63.5 mm
449000 N
EE776420 - 776520 (Y2S-776520)
1066.800 mm
1320.800 mm
190.5 mm
177.8 mm
4640000 N
LM757049 - LM757010 (LM757010ES)
304.8 mm
406.400 mm
127 mm
127 mm
1340000 N
28985 - 28921 (Y1S-28921)
N/A
N/A
50.8 mm
50.8 mm
CAD
EE991201 - 992550 (Y1S-992550)
304.8 mm
647.700 mm
241.3 mm
241.3 mm
4090000 N
L860048 - L860010 (L860010EB)
330.200 mm
415.925 mm
95.25 mm
95.25 mm
844000 N
HM261049 - HM261010 (K168899)
333.375 mm
469.900 mm
180.975 mm
180.975 mm
2780000 N
L865547 - L865512 (L865512EA)
381.000 mm
479.425 mm
98.425 mm
95.25 mm
1030000 N
H247549 - H247510 (H247510EB)
234.95 mm
384.175 mm
225.425 mm
225.424 mm
2920000 N
LM567949 - LM567910 (LM567910EA)
406.400 mm
549.275 mm
171.45 mm
168.276 mm
2490000 N
8578 - 8520 (Y2S-8520)
241.300 mm
327.025 mm
104.775 mm
104.775 mm
918000 N
LM869448 - LM869410 (LM869410EB)
431.800 mm
571.500 mm
149.225 mm
149.224 mm
2140000 N