580/572 Inch Tapered Roller Bearing 82.55x139.992x36.512mm Cone Cup Truck Heavy Equipment Bearing

1. Product Overview

580/572 is single row inch separable tapered roller bearing set, matched cone 580 and cup 572, dimension 82.55×139.992×36.512mm. Logarithmic crowned tapered rollers reduce edge stress and heat generation. Separable cone and cup design simplifies installation, inspection and component replacement. It bears heavy combined radial load and unidirectional axial thrust load, widely applied to heavy truck axles, mining transport vehicles and construction machinery drive assemblies.

2. Technical Specifications

Model: 580/572
d:82.55mm, D:139.992mm, T:36.512mm
Cone width B:36.098mm, Cup width C:28.575mm
Min fillet r1:3.5mm, r2:3.3mm
Dynamic load Cr:191kN, Static load C0r:291kN
Grease limiting speed:2500r/min
Net weight:2.1kg
Structure: Single row separable cone & cup open type
Cage: Stamped steel cage
Material: GCr15 bearing steel, hardness HRC60-65
Clearance: Standard CN, C3 customizable
Precision: P0 standard, P6/P5 optional
Operating temperature: -30℃ ~ 120℃
Dimension drawings and durability test reports available on request.

3. Core Advantages

• Separable cone and cup, no full shaft disassembly during maintenance
• Crowned rollers realize uniform load distribution and extend fatigue service life
• Extra high composite load capacity for heavy vehicle axle and transmission positions
• Reinforced stamped steel cage stable under severe continuous vibration and heavy impact
• Superfinished raceway surfaces lower running temperature to avoid bearing burnout
• Standard inch size, fully interchangeable with mainstream international brand bearings
• Custom clearance, high-temperature grease and exclusive outer ring laser marking available

4. Application Scenarios

• Heavy duty truck wheel hubs, rear axles and differential assemblies
• Mining dump trucks and off-road transport vehicles
• Large construction loaders, excavator auxiliary transmission parts
• Agricultural heavy tractors and industrial heavy-duty conveyors

Suitable for OEM assembly and aftermarket replacement of heavy mobile machinery under large composite radial and axial loads.

5. Why Choose GQZ Bearing

25 years production experience of inch series heavy-duty tapered roller bearings. Vacuum smelting GCr15 steel with complete quenching and tempering heat treatment for stable hardness and metallurgical structure. Full OEM & ODM customization for clearance grade, special lubricant and surface marking. Strict full-process inspection covers raw material hardness test, raceway superfinishing, roller sorting and vibration aging test. 24-hour professional technical support for load matching, shaft/housing tolerance selection and regular relubrication maintenance plans. Factory direct bulk price, stable spot inventory for global heavy machinery buyers.

6. Quality Control

1. Raw material chemical composition and hardness inspection
2. Integral quenching and stress relief tempering to eliminate internal residual stress
3. CNC turning and ultra-precision raceway mirror grinding
4. Precise stamped steel cage forming with consistent roller gaps
5. Dust-free assembly with quantitative grease filling for different temperature working conditions
6. High-speed rotation aging and radial-axial composite load fatigue testing
7. Final full dimension inspection, anti-rust oil coating, neutral moisture-proof export carton packaging

Each production batch passes vibration and noise test to guarantee stable operation in dusty, muddy and bumpy harsh working environments.

7. Get A Quote

Send inquiries for 580/572 tapered roller bearings used on heavy trucks, mining dump vehicles and large construction loaders.
Services after inquiry:

1. Standard formal quotation document delivered within 24 working hours
2. Technical guidance for paired bearing installation, tolerance matching and periodic lubrication maintenance
3. Upgrade options: P5 high precision grade, C3 enlarged clearance, high-temperature anti-oxidation synthetic grease
4. Competitive factory bulk unit price for large quantity orders

Please state order quantity, actual load, rotating speed and working environment to receive complete formal quotation documents.

8. FAQ

A1: Yes. We produce full range inch tapered roller bearings fully interchangeable with international standard specifications, accept flexible OEM & ODM customized orders.

A2: Inch dimension 82.55×139.992×36.512mm, separable 580 cone and 572 cup with crowned tapered rollers, stamped steel cage. Dynamic load 191kN, static load 291kN, limiting speed 2500r/min, designed for heavy trucks and mining machinery bearing heavy composite radial and unidirectional axial loads.

A3: Heavy truck axles, mining dump trucks and large construction loaders. Separable cone-cup design simplifies on-site maintenance; optimized crowned rollers resist heavy impact loads; steel cage maintains stable performance under long-term rough operation.

A4: Yes. All tapered roller bearings are manufactured under ISO 9001 quality management system. Every batch passes raw material hardness test, full dimensional measurement and vibration fatigue durability test. Complete standardized inspection documents can be provided upon formal request.

A5: Stocked bearings can be shipped within 7–15 working days. Sea freight, air freight and door-to-door express delivery are optional. Neutral anti-rust moisture-proof packaging and full customs clearance supporting documents are provided for all bulk orders.