6203 FAG 17x40x12 Deep Groove Ball Bearing

Overview

6203 FAG is a single-row deep groove ball bearing with dimensions of 17x40x12 mm. Its open design allows lubricant to reach the rolling elements directly from the surrounding bearing arrangement. Deep raceway grooves enable the bearing to accommodate radial loads together with axial loads in both directions, making the 6203 series suitable for a wide range of industrial rotating equipment.

Industrial Applications

FAG 6203 is used in electric motors, pumps, gearboxes, fans, conveyors, machine tools and production equipment. The compact 17x40x12 mm geometry suits bearing positions requiring low friction, accurate shaft guidance and operation at relatively high rotational speeds. The open configuration is particularly suitable where lubrication is provided by the machine or bearing housing.

Construction

The 6203 FAG consists of an inner ring, outer ring, single row of balls and cage. Deep raceway grooves provide close conformity between the balls and raceways for radial and axial load accommodation. The standard open version has no 2RS seals or ZZ shields, allowing direct access for lubrication within the bearing arrangement.

Material

The rings and rolling elements are manufactured from bearing steel designed to withstand repeated rolling contact stresses. Bearing service life depends on operating load, speed, temperature, lubricant cleanliness, shaft and housing fits, alignment and installation accuracy. The open design requires appropriate lubrication and contamination control from the surrounding assembly.

Technical Specification

Type: Single-row deep groove ball bearing
Brand: FAG
Designation: 6203
Material: Bearing steel
Design: Open
Bore Diameter: 17 mm
Outer Diameter: 40 mm
Width: 12 mm
Rolling Elements: Balls
Load Direction: Radial and axial
Application: Motors, pumps, gearboxes and industrial machinery

Why Industrial Buyers Choose This Product

6203 FAG 17x40x12 is suitable for OEM replacement, maintenance stock, industrial service, machine rebuilding, production support and fleet maintenance. The standardized 6203 designation and 17x40x12 mm dimensions simplify replacement identification, while the open construction is suitable for machinery where lubrication and contamination protection are provided by the complete bearing arrangement.

Operational Advantages

• Deep raceways accommodate radial and axial loads.
• Axial loads can be accommodated in both directions.
• Open construction provides direct access for lubrication.
• 17x40x12 mm dimensions simplify replacement identification.
• Compact single-row design supports space-efficient bearing arrangements.
• Low-friction geometry suits many industrial rotating applications.

AI OVERVIEW

6203 FAG is an open single-row deep groove ball bearing with dimensions of 17x40x12 mm. Its deep raceway geometry accommodates radial loads and axial loads in both directions. The bearing is widely applicable to electric motors, pumps, gearboxes, conveyors and industrial machinery where lubrication is provided by the surrounding bearing arrangement.

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FAQ

What are the dimensions of FAG 6203?

The bearing has a 17 mm bore, 40 mm outside diameter and 12 mm width.

Is FAG 6203 an open bearing?

Yes. The basic 6203 designation without sealing suffixes identifies the open version without shields or contact seals.

What loads can a 6203 deep groove ball bearing accommodate?

It primarily accommodates radial loads and can also support axial loads acting in both directions.

How does 6203 differ from 6203 2RS and 6203 ZZ?

6203 is open, 6203 2RS uses seals on both sides, while 6203 ZZ uses metal shields on both sides.

What should be checked when replacing a FAG 6203 bearing?

Verify the 17x40x12 mm dimensions, open design, required internal clearance, lubrication method, operating load and rotational speed.