Description
353-0314: Bearing – Taper(Debris Resistant)
| 353-0314: Bearing – Taper(Debris Resistant) |
| 1T-2042: 153.59 ID Retainer Freewheel Cam Sleeve |
| 1T-0441: Bearing – Ball(Debris Resistant) |
| 119-5727: Bearing – Ball(Debris Resistant) |
| 6N-3504: Governor Spring Seat |
| 511-6891: Bearing-Cone (DLC Extended Life) |
| 130-3639: 169.48mm ID Retainer Freewheel Cam Sleeve |
| 597-8049: Retainer As |
CAT 353-0314 is a Caterpillar single-row cylindrical roller bearing assembly, integrating the inner ring, outer ring, cage, and rollers. It is suitable for heavy-duty equipment such as gearboxes and drive axles, used to withstand large radial loads. Key information is as follows:
Key Parameters
Item Details
Type: Single-row cylindrical roller bearing assembly, including inner ring, outer ring, rollers, and stamped steel cage, used to withstand pure radial heavy loads, suitable for high-speed rotational conditions
Dimensions (Metric/Imperial): Inner diameter 120mm (4.724 inches), outer diameter 180mm (7.087 inches), width 46mm (1.811 inches), weight approx. 4.2kg (9.26 lbs)
Materials: Inner/Outer ring: SAE 52100 high-carbon chromium bearing steel, integrally quenched + low-temperature tempered, hardness HRC60-64; Rollers: same material, surface polished Ra≤0.2μm; Cage: SPCC Stamped steel, galvanized and passivated for corrosion protection.
Precision: Inner diameter roundness ≤ 0.002mm, radial clearance 0.025-0.050mm, surface roughness Ra≤ 0.4μm, suitable for high-precision transmission requirements.
Lubrication: Cage with lubrication groove, suitable for machine oil lubrication; recommended operating temperature -30℃ to 120℃, maximum speed 3000rpm.
Suitable for: Cat 980H loader gearbox second shaft bearings, D8T bulldozer drive axle differential bearings, 777G mining truck steering knuckle bearings, etc., used to withstand large radial loads, suitable for impact and vibration conditions, and prevent shaft deformation and wear.
Suitable for replacing bearings with raceway spalling, roller wear, cage deformation, or bearing jamming caused by poor lubrication during equipment overhaul/maintenance, ensuring stable operation of the transmission system.
Performance Characteristics: Single-row cylindrical roller bearing structure provides strong radial load capacity, increasing radial load bearing capacity by over 60% compared to deep groove ball bearings of the same size, making it suitable for heavy-duty equipment conditions.
High-carbon chromium bearing steel material offers excellent strength and wear resistance. The overall quenching process ensures uniform hardness throughout the bearing, making it suitable for impact and vibration conditions and extending service life.
The lightweight stamped steel cage design reduces centrifugal force during high-speed operation, lowering energy loss while improving roller guiding accuracy and reducing friction and noise.
