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)
JM511946 - JM511910 (JY11011-Q)
65 mm
110 mm
56 mm
56 mm
291000 N
H715347 - H715311 (H715311EE)
69.987 mm
136.525 mm
92.076 mm
92.076 mm
556000 N
34300 - 34478 (Y4S-34478)
76.2 mm
121.442 mm
49.215 mm
46.025 mm
178000 N
6379 - 6320 (Y3S-6320)
65.088 mm
135.755 mm
107.95 mm
112.014 mm
663000 N
H414249 - H414210 (H414210EA)
71.438 mm
136.525 mm
82.55 mm
82.55 mm
562000 N
39590A - 39520 (Y2S-39520)
66.650 mm
112.713 mm
60.325 mm
60.325 mm
291000 N
33287 - 33462 (Y5S-33462)
73.025 mm
117.475 mm
60.325 mm
60.324 mm
241000 N
39590 - 39520 (Y1S-39520)
66.675 mm
112.713 mm
60.325 mm
60.324 mm
291000 N
567 - 563 (K172923)
73.025 mm
127 mm
73.025 mm
72.34 mm
342000 N
HM212049 - HM212011 (HM212010EA)
66.675 mm
122.238 mm
76.2 mm
76.708 mm
465000 N
568 - 563 (Y4S-563)
73.817 mm
127 mm
73.025 mm
72.339 mm
342000 N
HH914449 - HH914412 (HH914412EA)
66.675 mm
177.800 mm
114.3 mm
107.95 mm
785000 N
JLM714149 - JLM714110 (M612910EA)
75 mm
115 mm
50 mm
50 mm
244000 N
HM813844 - HM813810 (HM813810EC)
66.675 mm
127 mm
73.025 mm
73.025 mm
399000 N
34301 - 34478 (Y4S-34478)
76.2 mm
121.442 mm
49.215 mm
46.024 mm
178000 N
9278 - 9220 (Y1S-9220)
68.263 mm
161.925 mm
98.425 mm
92.076 mm
614000 N
42687 - 42620 (Y3S-42620)
76.2 mm
127 mm
60.325 mm
62 mm
280000 N
47487 - 47420 (Y1S-47420)
69.850 mm
120 mm
65.090 mm
65.090 mm
311000 N
5760 - 5735 (Y2S-5735)
76.2 mm
135.733 mm
88.9 mm
92.200 mm
527000 N
78250 - 78551 (Y2S-78551)
63.500 mm
140.030 mm
73.025 mm
66.472 mm
353000 N