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6203-2RS Sealed Deep Groove Ball Bearing
Reference-data notice. Boundary dimensions use the cited SKF-hosted Series 62 table. Performance values, where shown, describe the cited 6203-2RSH reference and are not LTO product claims. Approved LTO quotation data and drawings govern supply.

Bearing model database

6203-2RS Sealed Deep Groove Ball Bearing

The generic 6203-2RS designation identifies a 17x40x12 mm 6203-size bearing with contact seals on both sides. The seals support grease retention and contamination control, but the exact lip design, material, friction and speed limit remain manufacturer-specific.

17 mm boreDeep Groove Ball BearingsOEM / custom review
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01 · Product Overview

Product Overview

The generic 6203-2RS designation identifies a 17x40x12 mm 6203-size bearing with contact seals on both sides. The seals support grease retention and contamination control, but the exact lip design, material, friction and speed limit remain manufacturer-specific.

LTO supports OEM buyers, distributors and industrial users with suffix review, drawing-controlled requirements, private-label packaging and export documentation. Availability, minimum order quantity and production data are confirmed in the quotation.

02 · Boundary dimensions

6203-2RS bearing dimensions

Use the family-specific symbols below to compare the installation envelope. Dimensions are catalogue reference values in millimetres.

dBore diameter17 mm
DOutside diameter40 mm
BWidth12 mm
Modeld — Bore diameterD — Outside diameterB — Width
6203-2RS17 mm40 mm12 mm

Search intent supported: 6203-2RS bearing · 6203 2RS dimensions · 17x40x12 sealed bearing · 6203 sealed ball bearing. Confirm chamfers, radii, tolerances and mating-part details on the approved drawing.

03 · Engineering reference

Technical Specifications

Load ratings and speeds are cited-manufacturer catalogue references for preliminary comparison—not LTO-verified product specifications. Final values are subject to the LTO quotation and approved drawing.

Model6203-2RS
Bearing TypeSingle-row deep groove ball bearing
Supply modelLTO-branded supply; production route confirmed per quotation
Dimension data statusSKF-hosted Series 62 manufacturer catalogue reference
Performance data statusSKF engineering reference from cited catalogue; not an LTO verified specification
Material to confirmBearing steel with elastomer contact seals
Precision to confirmNormal; higher classes by quotation
Clearance to confirmNormal / C3 by quotation
Seal options to confirm2RS double contact seals (this model) · ZZ metal shields (published variant) · Open (published base model)
Reference dynamic load rating C9.95 kN catalogue reference
Reference static load rating C₀4.75 kN catalogue reference
Reference speed data12,000 r/min catalogue limiting speed for the double-sealed reference
REFERENCE SOURCESKF Rolling bearings catalogue — 6203 open, sealed and shielded referencesBoundary dimensions use the cited SKF-hosted Series 62 table. Performance values, where shown, describe the cited 6203-2RSH reference and are not LTO product claims. Supply route: LTO-branded supply; production route confirmed per quotation.
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04 · Design

Features

  • Double contact seals for grease retention
  • Improved fine-contaminant exclusion over metal shields
  • 17x40x12 mm standard boundary dimensions
  • Seal friction and temperature must be checked against speed

05 · Enclosures

Seal Options

012RS double contact seals (this model)
02ZZ metal shields (published variant)
03Open (published base model)

Open, ZZ and 2RS are separate configurations for deep groove ball bearings. For roller, insert and mounted bearings, sealing is defined by the bearing and housing arrangement shown above.

Compare 2RS contact seals and ZZ metal shields →

Configuration family

6203 Bearing Variants

These published pages share the same nominal boundary dimensions but represent different enclosure configurations. Verify the exact suffix, friction, speed, lubricant and environment before approval.

6203 BearingSingle-row deep groove ball bearing6203-ZZ BearingSingle-row deep groove ball bearing

06 · Application paths

Applications

The bearing number is only the starting point. Load, speed, temperature, contamination, alignment and service-life targets determine the final selection.

Reference Industries for Engineering Review

Electric Motor BearingsReview operating conditions →Pump BearingsReview operating conditions →

These industry links are engineering review paths, not model-specific recommendations. Final bearing selection should be confirmed against the actual load, speed, fit, clearance, lubrication, environment and application requirements.

07 · Cross-reference screening

Replacement / Interchange

Possible search and drawing-reference candidates:

  • 6203-2RS basic dimensional designation
  • 6203-2RSH engineering reference—not verified interchangeable
  • Confirm internal clearance, precision, cage, enclosure, lubricant and offered manufacturer data
Not an automatic replacement. Match bore diameter (d), outside diameter (D), width (B), internal clearance, sealing, cage, precision, lubrication and load requirements before any substitution is approved.

Engineering context

Technical guides for this record.

Use only the guides relevant to this model's dimensions, enclosure, precision, clearance or designation.

Bearing Dimensions ExplainedReview the dimension symbols used by this bearing family. →Bearing Seal Types GuideCompare open, shielded and sealed enclosure structures. →Bearing Tolerance GuideDistinguish precision classes from internal clearance. →Bearing Number System GuideReview designation and suffix terminology. →

RFQ

Request a quote for 6203-2RS.

Send quantity, suffix, target brand or drawing, application, speed, load and destination. LTO will confirm the exact configuration before price or delivery commitments.

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