Bearing/Housing for Joints and Actuators | Industrial Component Directory

Product Specifications

Technical details and manufacturing context for Bearing/Housing

Definition

In the context of Joints/Actuators, the bearing/housing is a critical component that provides structural support and precise alignment for rotating elements within mechanical joints and actuation systems. It consists of the bearing (rolling or sliding elements) and its housing (the outer casing or support structure), working together to enable smooth rotational or linear motion while withstanding loads and maintaining positional accuracy. The bearing reduces friction between moving parts through rolling elements (balls, rollers) or sliding surfaces, while the housing provides a rigid mounting structure that maintains proper bearing alignment, protects internal components, and facilitates installation within the larger mechanical system. This component is typically manufactured from bearing steel, cast iron, or aluminum alloy, with material selection depending on load, speed, and environmental conditions. Key parameters include bore diameter (10–200 mm), outside diameter (30–350 mm), width (9–80 mm), dynamic load rating (5–200 kN), static load rating (10–400 kN), limiting speed (3000–15000 rpm), tolerance class (P0–P6), radial clearance (C2–C4), operating temperature (-40–120 °C), vibration level (V1–V4), material grade (GCr15), and weight (0.5–50 kg). These values follow standards such as ISO 15, ISO 76, ISO 15312, ISO 492, ISO 5753-1, ISO 15242, and GB/T 18254. The listed ranges are reference values; actual specifications must be confirmed with the legal manufacturer or supplier for the specific model and application. The bearing/housing is essential for ensuring reliable operation, reducing downtime, and extending the service life of rotating machinery. Proper selection requires consideration of load, speed, alignment, lubrication, and environmental factors. Verification of dimensions, tolerances, and load ratings is critical to ensure compatibility and performance. Maintenance signals include abnormal noise, vibration, temperature rise, or leakage, which may indicate wear, misalignment, or lubrication failure. Failure boundaries include exceeding load ratings, operating beyond temperature limits, or improper installation, leading to premature failure. Always consult the manufacturer's documentation for detailed specifications and installation guidelines.

Working Principle

The bearing reduces friction between moving parts through rolling elements (balls, rollers) or sliding surfaces, while the housing provides a rigid mounting structure that maintains proper bearing alignment, protects internal components, and facilitates installation within the larger mechanical system. The bearing supports the rotating shaft, transmitting loads while allowing relative motion. The housing holds the bearing in place, ensuring correct positioning and alignment. Together, they enable smooth, low-friction rotation or linear motion, withstanding radial and axial loads. The working principle relies on the interaction between the bearing elements and the housing, which must be precisely machined to maintain clearance and preload. Lubrication is essential to reduce friction and heat generation. The housing also protects the bearing from contaminants and provides a mounting interface for the surrounding structure. Proper installation and alignment are critical to achieve optimal performance and service life.

Common Materials

Bearing steel, Cast iron, Aluminum alloy

Technical Parameters

Parameter	Typical range	Notes & selection driver
Bore Diameter	10–200 mm	Standard metric series; custom sizes availableISO 15
Outside Diameter	30–350 mm	Matches housing boreISO 15
Width	9–80 mm	Affects load capacity and fitISO 15
Dynamic Load Rating	5–200 kN	Higher value for longer lifeISO 76
Static Load Rating	10–400 kN	Limits permanent deformationISO 76
Limiting Speed	3000–15000 rpm	Depends on lubrication and loadISO 15312
Tolerance Class	P0–P6	P6 for higher precisionISO 492
Radial Clearance	C2–C4	C3 for normal operating conditionsISO 5753-1
Operating Temperature	-40–120 °C	Above 120°C requires special greaseISO 15312
Vibration Level	V1–V4	V4 for low-noise applicationsISO 15242
Material Grade	GCr15	High-carbon chromium steelGB/T 18254
Weight	0.5–50 kg	Varies with size and type

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Inner Ring Part
Fits onto the rotating shaft and provides raceway for rolling elements

Material: Bearing steel
Outer Ring Part
Provides outer raceway and fits into housing, typically stationary

Material: Bearing steel
Rolling Elements Part
Balls or rollers that reduce friction between inner and outer rings

Material: Bearing steel or ceramic
Cage/Retainer Part
Separates and maintains proper spacing between rolling elements

Material: Steel, brass, or polymer
Seals/Shields Part
Protect bearing interior from contaminants and retain lubrication

Material: Rubber or metal
Housing Body Part
Provides structural support, mounting points, and protects bearing assembly

Material: Cast iron, steel, or aluminum

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Joints/Actuators

View system integration details

Manufacturers of Bearing/Housing

1 company lists this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

Xuyi Titan & Material Co.,Ltd

Jiangsu, CN

Also makes: Heat Treatment Furnace, Conveyor Belt/Chain/Screw, Heat Exchanger and 5 more

Listed on the company's own website · profile compiled by CNFX from public sources

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Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

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Inspection readiness

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Frequently Asked Questions

What materials are commonly used for bearing/housing?

Common materials include bearing steel, cast iron, and aluminum alloy. The choice depends on load, speed, and environmental conditions. Verify material grade with the manufacturer.

What standards apply to bearing/housing dimensions?

Dimensions typically follow ISO 15 for boundary dimensions. Load ratings follow ISO 76, and speed ratings follow ISO 15312. Always confirm compliance with the manufacturer.

How do I select the right bearing/housing for my application?

Consider load ratings, speed, operating temperature, tolerance class, and radial clearance. Use the reference ranges as a starting point and consult the manufacturer for exact specifications.

What are signs of bearing/housing failure?

Abnormal noise, vibration, temperature rise, or leakage can indicate wear, misalignment, or lubrication issues. Regular inspection and maintenance are recommended.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification

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speed:	Up to 10,000 rpm (depending on size and lubrication)
pressure:	Up to 100 bar (static), 50 bar (dynamic)
temperature:	-40°C to +150°C (standard), up to +250°C with special materials
load capacity:	Radial: Up to 50 kN, Axial: Up to 25 kN (varies by size)

Bearing/Housing

Product Specifications

Applied To / Applications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards