Description
CAT 6V-8501 45mm Roller Bearing
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The CAT 6V-8501 is a genuine Caterpillar needle roller bearing with a stamped cage and no inner ring. It is suitable for use in gearboxes, drive shafts, and other components of loaders, backhoe loaders, and other equipment, for radially heavy loads and space-constrained applications. The following data is the original specifications and does not include information on replacement parts.
Core Technical Parameters (Raw Data)
Item Details
Basic Attributes
Model: 6V-8501, Type: Needle Roller Bearing with No Inner Ring Stamped Cage, Material: Bearing Steel (GCr15), Single Weight: 0.28 kg, Suitable for medium and low speed, radial heavy load conditions, Operating Temperature: -40℃ to +120℃, Rated Dynamic Load ≥38 kN, Rated Static Load ≥62 kN, Used for gearbox input shaft and drive shaft support, bearing radial loads, compatible with Cat universal lithium-based grease
Key Dimensions (Metric/Imperial):
Inner Diameter: 40.0 mm (1.575 in, Tolerance 0/+0.015 mm), Outer Diameter: 62.0 mm (2.441 in, Tolerance 0/-0.015 mm), Total Width: 12.0 mm (0.472 in, Tolerance ±0.1 mm), Needle Roller Diameter: 3.0 mm, Number of Needles: 18, Cage Thickness: 1.2 mm mm, chamfered ends 0.5×45°, shaft clearance 0.02-0.04 mm, interference fit with mounting hole 0.01-0.02 mm
Performance Parameters: Hardness HRC 60-64 (needle rollers/outer ring), coefficient of friction ≤0.05 (grease lubrication), limiting speed 2500 rpm (grease lubrication), fatigue life ≥8×10⁵ cycles, wear-resistant, impact-resistant, suitable for intermittent lubrication conditions
Structure and Compatibility Characteristics: Advantages of the inner ring-less design: saves installation space, the shaft directly serves as the raceway, improves radial load capacity, suitable for space-constrained parts such as gearboxes and drive shafts, and reduces overall weight.
Stamped cage structure: made of stamped steel plate, lightweight and high-strength, with uniform needle roller distribution, reducing friction between needle rollers and improving bearing rotational accuracy and stability.
Operating Condition Adaptability: Suitable for low-speed, radially heavy-load conditions in construction machinery; resistant to harsh environments such as dust and oil contamination; compatible with Cat universal lithium-based grease lubrication; suitable for radial support requirements of gearbox input shafts, drive shafts, etc.
Installation and Maintenance Points (Original Data)
Installation: Clean the mounting holes and shaft (free of oil and burrs); cold-press installation (pressure ≤80 kN); ensure the end face is flush with the mounting surface; ensure the shaft rotates freely without jamming; control clearance and interference according to dimensional parameters.
Maintenance: Check lubrication and wear every 2000 hours; replace if radial clearance exceeds 0.15 mm; for long-term storage, apply anti-rust oil and seal to prevent corrosion of the needle rollers and outer ring.
