Auto 30311 Tapered Roller Bearing 55X120X29mm

Product Details
Customization: Available
Service: 24 Hours
Product Name: Tapered Roller Bearing
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  • Auto 30311 Tapered Roller Bearing 55X120X29mm
  • Auto 30311 Tapered Roller Bearing 55X120X29mm
  • Auto 30311 Tapered Roller Bearing 55X120X29mm
  • Auto 30311 Tapered Roller Bearing 55X120X29mm
  • Auto 30311 Tapered Roller Bearing 55X120X29mm
  • Auto 30311 Tapered Roller Bearing 55X120X29mm
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Basic Info.

Model NO.
30311
After-Sales Service
24 Months
Material
Steel
Used on
Actros, Volve-Fh, Scania-G, Peterbilt 389
OEM Number
30311
Transport Package
Vso
Specification
ISO 355 / DIN 720
Trademark
VSO
Origin
China
Production Capacity
10000pieces/Year

Product Description

Auto 30311 Tapered Roller Bearing 55X120X29mm
Auto 30311 Tapered Roller Bearing 55X120X29mm


Product Overview

The 30311 Tapered Roller Bearing is a high-performance, industrial-grade bearing designed to handle combined radial and axial loads in demanding applications. Manufactured in China with ISO 9001-certified processes, this bearing delivers exceptional durability, smooth operation, and long service life-ideal for trucks, construction machinery, and heavy industrial equipment.

1.Premium Quality | 2.High Load Capacity | 3. Ready to Install | 4. 1-Year Warranty

  
Key Specifications
Parameter Value
Bearing Type Single-Row Tapered Roller Bearing (ISO 355)
Inner Diameter (d) 55 mm
Outer Diameter (D) 120 mm
Width (B) 29 mm
Dynamic Load (Cr) 153.3 kN
Static Load (Cor) 187.6 kN
Weight 1.63 kg
Material High-Carbon Chrome Steel (GCr15)
Temperature Range -30°C to +120°C
 

Why Choose Our 30311 Bearing?

1.Superior Durability - Precision-ground rollers and raceways reduce friction, extending bearing life by 30% compared to standard models.
2. Heavy-Duty Performance - Handles extreme loads in mining, construction, and trucking applications.
3. Pre-Lubricated - Minimizes maintenance and ensures smooth operation from installation.
4. Global Compliance - Meets ISO, DIN, and JIS standards for reliable interchangeability.
5. Cost-Effective - Competitive pricing without compromising quality.

  
Typical Applications
  • Truck & Trailer: Wheel hubs, differentials, and transmission systems.

  • Construction Equipment: Excavator slewing rings, crane booms.

  • Agriculture: Tractor PTO shafts, combine harvesters.

  • Industrial Machinery: Gearboxes, conveyor rollers, pumps.

  
Packaging & Shipping
  • Standard Packaging: Anti-rust paper + wooden case (20 pcs/box).

  • Bulk Orders: Custom packaging available (MOQ 50 pcs).

  • Fast Delivery: 7-15 days worldwide shipping (DHL/FedEx/Sea freight).

 

 



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