SIFT BEARING STORE CATALOG

61911FAGBall

61911 is a FAG ball bearing, bore 55 mm, O.D. 80 mm, width 13 mm, dynamic rating 17.7 kN. Dimensions, drawing, interchanges and price.

Request a quoteEmail usSearch the catalog
Bore d55mm
Outside dia. D80mm
Width B13mm
Dynamic Cr17.7kN
Static C0r14.1kN
Limiting speed12,100rpm
Weight0.185kg
Cr / C0r1.26
Mean dia. dm67.5mm

Original catalogue drawing - FAG Schaeffler HR 1, page 256

61911 FAG Ball bearing catalogue drawing

Scanned from the manufacturer catalogue page listing this part number. All part numbers printed on that table share the same drawing.

Scale cross-section

DdBOutside dia. D80 mmBore d55 mmWidth B13 mm

Blue = inner / outer ring, yellow = rolling element. Drawn to scale from this part's own dimensions for selection reference only - not a manufacturing or assembly drawing.

Dimension table (mm / inch)

SymbolDimensionmminch
dBore diameter552.1654
DOutside diameter803.1496
BInner-ring / bearing width130.5118
rChamfer (min)10.0394

Notes

Weights are given in kg. Load ratings are shown in both the original catalogue units and the converted value (1 N = 0.2248 lbf). Data is provided for selection reference only - confirm against the latest official catalogue before ordering.

Main dimensions

Bore d (mm)55
Outside dia. D (mm)80
Width B (mm)13
Inner-ring OD d1 (mm)63.2
Inner-ring shoulder dia. D1 (mm)71.8

Load ratings & speeds

Basic dynamic load rating Cr (lbs)3979
Basic static load rating Cor (lbs)3170
Basic dynamic load rating Cr (N)17700
Basic static load rating C0r (N)14100
Fatigue limit load Cur (N)760
Factor f016.3
Limiting speed nG (rpm)12,100
Reference speed nB (rpm)7,500

Weight

Weight (kg)0.185

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)1
Shaft shoulder da (mm)59.6
Housing shoulder Da (mm)75.4
Housing fillet ra max (mm)1

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 3,000 rpm
44,42564356
62,9502161,200
82,2125122,844
101,7701,0005,556
151,1803,37518,750

Basic rating life per ISO 281: L10 = (C/P)3 with C = 17,700 N. Hours = L10 x 106 / (60n). Life-modification factors for lubrication, contamination and temperature (aISO) are not included.

Source & traceability

BrandFAG
Source catalogueFAG / Schaeffler Rolling Bearings HR 1
Catalogue pagep.256 (dimensions)

Load ratings in newtons, fatigue limit load Cur, limiting speed nG and reference speed nB.

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
6911NSKBall5580133,590 lbs0.181
7911A5NSKPrecision / Angular Contact5580134,060 lbs0.181
7911CNSKPrecision / Angular Contact5580134,300 lbs0.177

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
61911-2RSRFAGBall55801317.7 kN0.18
61911-2RZFAGBall55801317.7 kN0.18
B71911-C-T-P4SFAGPrecision / Angular Contact55801322.8 kN0.182
B71911-E-T-P4SFAGPrecision / Angular Contact55801321.6 kN0.181
HCB71911-C-T-P4SFAGPrecision / Angular Contact55801316 kN0.18
HCB71911-E-T-P4SFAGPrecision / Angular Contact55801315 kN0.18
HCS71911-C-T-P4SFAGPrecision / Angular Contact5580139.3 kN0.17
HCS71911-E-T-P4SFAGPrecision / Angular Contact5580138.8 kN0.17

Series variants (different suffix)

DesignationBrandTypedDB/TDyn. ratingkg
61911-2RSRFAGBall55801317.7 kN0.18
61911-2RZFAGBall55801317.7 kN0.18

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
11211-TVHFAGBall551002127 kN1.13
1211-K-TVH-C3FAGBall551002127 kN0.682
1211-TVHFAGBall551002127 kN0.693
1311-K-TVH-C3FAGBall551202952 kN1.55
1311-TVHFAGBall551202952 kN1.57
16011FAGBall55901120.6 kN0.26
2211-2RS-TVHFAGBall551002527 kN0.825
2211-K-2RS-TVH-C3FAGBall551002527 kN0.808

Request a quotation for 61911

Send us the quantity you need and we will come back with price and lead time, normally within 24 hours. Equivalent parts from other brands can be quoted at the same time.