Inch Tapered Roller Bearing

Inch Tapered Roller Bearing

Inch Tapered Roller Bearing

Key Features of UMZ Tapered Roller Bearings
• Superior Load Capacity: Engineered to support both radial and axial loads effectively, ensuring optimal performance even under high-stress conditions.
• High Durability: Manufactured with premium-grade materials and advanced heat treatment processes to enhance wear resistance and lifespan.
• Precision Engineering: Ensures smooth operation, reduced friction, and improved energy efficiency.
• Custom Solutions: Available in various sizes and specifications to meet the unique needs of different industries, including automotive, heavy machinery, and industrial equipment.


Tapered roller bearings are widely used in various industries due to their ability to handle combined radial and axial loads efficiently. Their unique conical design allows them to manage high thrust and radial forces while maintaining precise alignment. Below are some key applications:

1. Automotive Industry

  • Wheel Hubs: Commonly used in cars, trucks, and SUVs to support wheel rotation while handling radial (vehicle weight) and axial (cornering forces) loads.

  • Transmissions & Differentials: Helps in managing gear loads and reducing friction.

  • Axle Systems: Used in heavy-duty trucks and trailers for better load distribution.

2. Industrial Machinery

  • Gearboxes: Supports high-speed rotation while handling radial and thrust loads.

  • Conveyor Systems: Used in heavy-load applications like mining and material handling.

  • Pumps & Compressors: Ensures smooth operation under varying load conditions.

3. Aerospace & Defense

  • Aircraft Landing Gear: Handles heavy loads during takeoff and landing.

  • Helicopter Rotor Systems: Supports high-speed rotation with precision.

4. Railway & Transportation

  • Locomotive & Freight Car Axles: Provides durability under heavy loads and vibrations.

  • High-Speed Trains: Ensures stability and reduces wear.

5. Construction & Heavy Equipment

  • Cranes & Excavators: Supports heavy axial and radial loads in dynamic conditions.

  • Mining Equipment: Used in drills, crushers, and earth-moving machinery.

selectInquiryBearing No.Boundary dimensions(mm) Basic load ratings(kN)
dBR DCrTDynamic(Cr)Static(Cor)
LM501349/314/Q 41,275 73,431 21,430 63 68 7,65 7500 10000 0,35
11162/11300/Q 41,275 76,200 18,009 52 56 6,1 7000 9500 0,34
11163/11300/Q 41,275 76,200 18,009 52 56 6,1 7000 9500 0,34
24780/24720/Q 41,275 76,200 22,225 68,2 86,5 9,65 6700 9500 0,43
M802048/011/QCL7C 41,275 82,550 26,543 85 91,5 10,6 6700 9000 0,62
3585/3525/Q 41,275 87,312 30,162 102 132 15 6000 8500 0,85
HM803146/110/Q 41,275 88,900 30,162 108 127 14,6 6000 8000 0,90
HM803146/2/110/2/QCL7C 41,275 88,900 30,162 108 127 14,6 6000 8000 0,90
526/522/Q 41,275 101,600 34,925 151 190 22,8 5000 7500 1,45
25577/2/25520/2/Q 42,875 82,931 23,812 80,9 106 12 6000 9000 0,57
25577/2/25523/2/Q 42,875 83,058 23,876 80,9 106 12 6000 9000 0,57
25580/25523/Q 44,450 82,931 26,988 80,9 106 11,8 6000 9000 0,57
25580/25522/Q 44,450 83,058 23,876 80,9 106 11,8 6000 9000 0,57
HM803149/110/Q 44,450 88,900 30,162 108 127 14,6 6000 8000 1,50
HM803149/2/110/2/QCL7C 44,450 88,900 30,162 108 127 14,6 6000 8000 1,50
HM903249/2/210/2/Q 44,450 92,250 30,958 116 122 14 5300 7000 1,00
HM903249/W/210/QCL7C 44,450 92,250 30,958 116 122 14 5300 7000 1,00
53178/53377/Q 44,450 95,250 30,958 88 96,5 11,4 5000 7000 0,93
HM807040/010/QCL7C 44,450 104,775 36,512 170 204 22,4 5000 6700 1,50
535/532A 44,450 107,950 38,100 151 190 22,8 4800 7000 1,85
535/532X 44,450 107,950 38,100 151 190 22,8 4800 7000 1,70
3586/3525/Q 45,237 87,313 30,162 102 132 15 6000 8500 0,85
LM102949/910/Q 45,242 73,431 19,558 62 75 8,15 7000 9500 0,30
LM603049/011/Q 45,242 77,788 19,842 62 69,5 7,65 7000 9000 0,37
25590/25520/Q 45,618 82,931 23,812 80,9 106 11,8 6000 9000 0,55
25590/25523/Q 45,618 82,931 26,988 80,9 106 11,8 6000 9000 0,55
25590/25522/Q 45,618 83,058 23,876 80,9 106 11,8 6000 9000 0,55
359S/354X/Q 46,038 85 20,638 81,5 81,5 9,3 6700 8500 0,49
369S/2/362A/2/Q 47,625 88,900 23,812 76,5 91,5 10,4 5600 8000 0,55
HM804846/2/810/2/Q 47,625 95,250 30,162 108 146 17,3 5000 7500 0,95