Bearing model database

6307 Deep Groove Ball Bearing

6307 is documented here as a single-row open deep groove ball bearing with d 35 mm, D 80 mm, B 21 mm. The cited values support identification and engineering review; enclosure, clearance, accuracy, lubricant, fits and supplied performance remain quotation-controlled.

35 mm boreDeep Groove Ball BearingsOEM / custom review

01 · Product Overview

Product Overview

6307 is documented here as a single-row open deep groove ball bearing with d 35 mm, D 80 mm, B 21 mm. The cited values support identification and engineering review; enclosure, clearance, accuracy, lubricant, fits and supplied performance remain quotation-controlled.

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

6307 bearing dimensions

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

dBore diameter35 mm
DOutside diameter80 mm
BWidth21 mm
Modeld — Bore diameterD — Outside diameterB — Width
630735 mm80 mm21 mm

Search intent supported: 6307 bearing · bearing 6307 · 6307 bearing dimensions · 6307 bearing size · 6307 bearing specifications. 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.

Model6307
Bearing TypeSingle-row open deep groove ball bearing
Supply modelLTO-branded supply; production route confirmed per quotation
Dimension data statusNILOS (SKF-hosted catalogue) dimensional reference for 6307
Performance data statusNo third-party performance engineering reference is attached; not an LTO verified specification
Material to confirmBearing and component materials confirmed by quotation
Precision to confirmAccuracy class confirmed by quotation
Clearance to confirmInternal clearance and fits confirmed by quotation
Seal options to confirmOpen construction (this published model) · Sealed or shielded suffixes require separate exact-designation review
Reference dynamic load rating CNot published in the selected official reference
Reference static load rating C₀Not published in the selected official reference
Reference speed dataNot published in the selected official reference
REFERENCE SOURCENILOS (SKF-hosted catalogue) NILOS-Rings catalogue — Series 63 boundary dimensionsDimensions describe the cited 6307 reference. Performance fields, where present, are third-party engineering references and not LTO product claims. Supply route: LTO-branded supply; production route confirmed per quotation.
Open official source

04 · Design

Features

  • 35x80x21 mm 6300 series boundary dimensions
  • Open single-row deep groove design
  • Family-specific d/D/B dimension semantics
  • Configuration and performance confirmed by quotation

05 · Enclosures

Seal Options

01Open construction (this published model)
02Sealed or shielded suffixes require separate exact-designation review

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.

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

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:

  • 6307 dimensional identification
  • 6307 NILOS engineering reference—not verified interchangeable
  • Confirm design, suffix, tolerances and approved drawing before substitution
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.

RFQ

Request a quote for 6307.

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

Request Quote