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6911 — 55 × 80 × 13 mm

BOUNDARY DIMENSIONSUNIT / mm
B = 13 mmD = 80 mmd = 55 mm
Boundary dimensions · schematic, not a product photograph or manufacturing drawing.
Deep groove ball

6911

6911 is a deep groove ball designation documented on BearingIndex from 1 manufacturer publication. The published boundary dimensions are 55 × 80 × 13 mm. The designation ends in bore code 11, which resolves to a 55 mm bore under ISO 15 and matches what the manufacturers published. The publishing works are in Zhejiang province, China. Every value below comes from that manufacturer’s own published material, with the date it was recorded.

Bore d
55 mm
Outside D
80 mm
Width B
13 mm

Compare the 1 publication

What each manufacturer published.

ManufacturerDynamic load rating (kN)Static load rating (kN)Limiting speed — grease (rpm)Limiting speed — oil (rpm)Reference mass (kg)Source recorded
RCL
6911
16.0913.14800095000.1772026-09-24Request

A dash means that manufacturer did not publish the value. Dimensions every source agrees on are shown above rather than repeated per row.

Calculated from the published values.

FigureHow it is obtainedResult
Radial section height(D − d) / 212.5 mm
Mean diameter dm(D + d) / 267.5 mm
Speed factor dm · nmean diameter × highest published limiting speed641,250 mm·min−1
C / C₀ load ratiodynamic ÷ static load ratingRCL 1.22

Arithmetic on the figures above — not a bearing life calculation for your load case.

The works that publish 6911.

RCL

Ningbo, Zhejiang, China

Thin-wall ball bearings for compact mechanisms

Ningbo Shilong manufactures high-precision bearings under the RCL name. Its published catalogue includes 67, 68, 69 and 60 series, with an emphasis on thin-wall bearings for compact mechanisms. Application pages identify encoders, motors, robots, bicycles and circular looms. Space envelope and rotational requirements are useful starting points for a technical inquiry.

Published ranges: 67- and 68-series thin-wall bearings · 69-series ball bearings · 60-series ball bearings

131 designations documented here · 1 reviewed evidence record · source recorded 2026-09-24

Ask RCL about 6911

Applications the publishing works state.

ApplicationStated by
BicyclesRCL
Circular loomsRCL
Encoders and motorsRCL
RoboticsRCL

Application areas each manufacturer states for its own range. Confirm load, speed, temperature and lubrication for your case.

Not documented by any source here.

Precision class · Internal clearance · Sealing · Material · Cage material · Z class · V class · Limiting speed · Lubrication · Operating temperature · Precision standard · Ring material · Rolling element material · Noise / vibration test method · Manufacturer series · Manufacturer suffix · Ball count · Ball diameter.

Ask the manufacturer for these when you enquire.

Other designations with the same 55x80x13 mm envelope.

DesignationBearing familyWorks
6911zzDeep groove ball1
71911Angular contact1
H71911-AC-TA-HQ1-P4Angular contact1
H71911-AC-TA-P4Angular contact1
H71911-C-TA-2RZ-HQ1-P4Angular contact1
H71911-C-TA-HQ1-P4Angular contact1
H71911-C-TA-P4Angular contact1

Same envelope, but sealing, internal design, clearance and load capability differ — not interchangeable by default.

Neighbouring designations documented here.

DesignationEnvelope d × D × B (mm)Bearing familyWorks
690010 × 22 × 6Deep groove ball7
6900zz10 × 22 × 6Deep groove ball1
6900ZZ/2RS10 × 22 × 6Deep groove ball1
690112 × 24 × 6Deep groove ball6
6901zz12 × 24 × 6Deep groove ball1
6901ZZ/2RS12 × 24 × 6Deep groove ball1
690215 × 28 × 7Deep groove ball5
6902ZZ/2RS15 × 28 × 7Deep groove ball1
690317 × 30 × 7Deep groove ball5
6903ZZ/2RS17 × 30 × 7Deep groove ball1
690420 × 37 × 9Deep groove ball5
6904ZZ/2RS20 × 37 × 9Deep groove ball1
690525 × 42 × 9Deep groove ball5
6905ZZ/2RS25 × 42 × 9Deep groove ball1
690630 × 47 × 9Deep groove ball5
6906ZZ/2RS30 × 47 × 9Deep groove ball1
690735 × 55 × 10Deep groove ball3
6907ZZ/2RS35 × 55 × 10Deep groove ball1

Each envelope shown is that designation’s own published size.

Request a quote for 6911.

Tick the works you want above, then send one enquiry — each manufacturer answers you separately and cannot see the others.

Open your enquiry How sourcing works here →

Figures on this page are each manufacturer’s own published material, recorded on the dates shown. How we check sources →