Technical Specification of Tapered Roller Bearings
2025-03-10
As critical mechanical transmission components, tapered roller bearings are specifically designed for combined load conditions, capable of withstanding simultaneous radial and axial loads. Their load-bearing performance is directly related to the outer ring raceway inclination angle parameter, where an increased inclination angle significantly enhances the system’s load-carrying capacity. This series adopts a modular split design, categorized into single-row, double-row, and four-row configurations based on rolling element arrangements.
Structural Features
The bearing system comprises precision-fit components: a tapered inner ring, an outer ring raceway, and a tapered roller assembly. The unique geometric design ensures that the projection lines of all tapered surfaces converge at the intersection point of the bearing axis, forming an optimized force transmission path. The contact angle (α), a core design parameter, is quantified by the calculated coefficient *e*. A higher *e* value corresponds to a larger contact angle α, resulting in superior axial load capacity.
Assembly Guidelines
Single-row models require on-site clearance adjustment, while double-row and four-row variants are factory pre-adjusted according to customer specifications, ensuring plug-and-play readiness. The innovative split design allows independent assembly of the inner ring assembly (including rollers and cage) and the outer ring, significantly improving maintenance efficiency.
Applications
This product series excels in combined load adaptability and modularity, making it ideal for:
• Automotive Manufacturing: Hub units and transmission systems
• Heavy Machinery: Steel rolling mills, mining equipment
• Industrial Manufacturing: Metallurgical equipment, precision plastic machinery
• Other High-Load, High-Precision Transmission Scenarios
This technical solution delivers reliable rotational support for industrial equipment, ensuring transmission system stability and service life under harsh operating conditions.
Structural Features
The bearing system comprises precision-fit components: a tapered inner ring, an outer ring raceway, and a tapered roller assembly. The unique geometric design ensures that the projection lines of all tapered surfaces converge at the intersection point of the bearing axis, forming an optimized force transmission path. The contact angle (α), a core design parameter, is quantified by the calculated coefficient *e*. A higher *e* value corresponds to a larger contact angle α, resulting in superior axial load capacity.
Assembly Guidelines
Single-row models require on-site clearance adjustment, while double-row and four-row variants are factory pre-adjusted according to customer specifications, ensuring plug-and-play readiness. The innovative split design allows independent assembly of the inner ring assembly (including rollers and cage) and the outer ring, significantly improving maintenance efficiency.
Applications
This product series excels in combined load adaptability and modularity, making it ideal for:
• Automotive Manufacturing: Hub units and transmission systems
• Heavy Machinery: Steel rolling mills, mining equipment
• Industrial Manufacturing: Metallurgical equipment, precision plastic machinery
• Other High-Load, High-Precision Transmission Scenarios
This technical solution delivers reliable rotational support for industrial equipment, ensuring transmission system stability and service life under harsh operating conditions.

NP233968/NP366890 Single row tapered roller bearings 11035753