Shaft/Spindle: Load Capacity 50-500 kg, Diameter 10-50 mm

Component Specifications

Definition

A cylindrical rotating component designed specifically for spool holders that provides structural support for wound materials while enabling controlled unwinding/rewinding operations. It transmits rotational motion from the drive system to the spool, maintaining precise alignment and minimizing vibration during material handling processes.

Working Principle

Converts rotational input from drive mechanisms into controlled spool rotation through torque transmission, utilizing bearing-supported rotation to minimize friction while maintaining precise axial positioning for consistent material feed.

Materials

Typically manufactured from case-hardened alloy steel (e.g., AISI 4140/4340) or stainless steel (304/316) with surface hardness of 45-55 HRC. Alternative materials include aluminum alloys for lightweight applications or ceramic-coated shafts for corrosive environments.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Length	200-1000 mm
Diameter	10-50 mm
Maximum RPM	500-3000
Load Capacity	50-500 kg
Surface Finish	Ra 0.4-0.8 μm
Runout Tolerance	≤0.02 mm TIR
Straightness Tolerance	≤0.05 mm/m

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

Standards

ISO 286-2, DIN 748, ISO 1101

Parent Products

This component is used in the following industrial products

Spool Holder

A mechanical component designed to securely hold and support a spool of wire or cable, allowing for controlled unwinding during dispensing operations.

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Engineering Analysis

Risks & Mitigation

Bearing failure due to improper lubrication
Shaft deflection under load causing material tension variations
Corrosion in humid environments
Fatigue failure from cyclic loading
Runout accumulation affecting material alignment

FMEA Triads

Trigger: Inadequate lubrication intervals
Failure: Increased friction leading to bearing seizure
Mitigation: Implement automated lubrication systems with monitoring sensors

Trigger: Excessive side load from misaligned spools
Failure: Premature bearing wear and shaft deflection
Mitigation: Install alignment guides and load monitoring systems

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

Geometric tolerances per ISO 1101:2017, dimensional tolerances per ISO 286-2:2010

Test Method

Runout measurement per ISO 12181-2, surface roughness per ISO 4287, hardness testing per ISO 6508-1

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

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of Shaft/Spindle

Manufacturer profiles associated with Shaft/Spindle.

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Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review

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Frequently Asked Questions

What is the difference between shaft and spindle in spool holder applications?

In spool holder terminology, 'shaft' typically refers to the rotating support element that holds the spool, while 'spindle' often describes the complete assembly including bearings, mounting features, and drive connections. However, these terms are frequently used interchangeably in industrial contexts.

How often should spool holder shafts be inspected and maintained?

Regular visual inspections should occur weekly, with dimensional checks every 3-6 months depending on usage intensity. Critical applications may require monthly runout measurements and annual bearing replacement to prevent material handling defects.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Shaft/Spindle