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Model Specification Index

This index brings together common Qiujing Bearing models by product line, bore, outside diameter, width, material and seal structure for faster model lookup and product-page navigation.

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F686 flanged bearing
13Common model entries
6Product lines
d / D / BSize dimensions
Spec SheetSelection reference

Specification Table

This table lists basic specifications for common models. For load, speed, precision grade or detailed technical documents, please contact Qiujing Bearing for model-specific support.

ModelProduct Lined BoreD ODB WidthFlange SizeMaterialSeal / StructureSelection Note
S6702440C stainless steel bearing15mm21mm4mm-440C stainless steelZZ / RS / OpenThin-section stainless series
S6703440C stainless steel bearing17mm23mm4mm-440C stainless steelZZ / RS / OpenThin-section stainless series
S608440C stainless steel bearing8mm22mm7mm-440C stainless steelZZ / RS / OpenStainless version of 608
MR63Miniature bearing3mm6mm2mm, shielded width often 2.5mm-Bearing steel / stainless steelZZ / RS / OpenFor miniature structures
MR106Miniature bearing6mm10mm2.5mm, shielded width often 3mm-Bearing steel / stainless steelZZ / RS / OpenMiniature deep groove bearing
608Deep groove ball bearing8mm22mm7mm-Bearing steel / stainless steelZZ / RS / OpenGeneral deep groove model
688Deep groove ball bearing8mm16mm5mm-Bearing steel / stainless steelZZ / RS / OpenSmall deep groove model
6704Thin-section bearing20mm27mm4mm-Bearing steel / stainless steelOpen / ZZ / RSThin-section deep groove bearing
6800Thin-section bearing10mm19mm5mm-Bearing steel / stainless steelOpen / ZZ / RSThin-section deep groove bearing
F686Flanged bearing6mm13mm5mmFlange OD 15mm, width about 1.1mmBearing steel / stainless steelZZ / RS / OpenMiniature flanged bearing
MF74Flanged bearing4mm7mm2.5mmFlange OD 8.2mm, width about 0.6mmBearing steel / stainless steelZZ / OpenMiniature flanged bearing
F3-8MThrust bearing3mm8mm3.5mm-Bearing steel / stainless steelThrust / one-way / separableMiniature thrust bearing
51101Thrust bearing12mm26mm9mm-Bearing steel / stainless steelSingle-direction thrust ball bearingThrust bearing series

Size Lookup

If the mounting space is known but the model is not fixed, use bore, outside diameter or width to locate candidate models first, then open the product page for details.

By Outside Diameter D

6-10mm: MR63, MF74, F3-8M, MR106

13-16mm: F686, 688

19-23mm: 6800, S6702, S608, 608, S6703

26-27mm: 51101, 6704

By Width B

2-3.5mm: MR63, MF74, MR106, F3-8M

4-5mm: S6702, S6703, 688, 6704, 6800, F686

7-9mm: S608, 608, 51101

Selection Note

This page supports model and basic size lookup. For purchasing communication, please provide model, dimensions, material, seal type, quantity, application environment and any RoHS, REACH or SGS document requirements.

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