SIFT BEARING STORE CATALOG

61905-2ZFAGBall

61905-2Z is a FAG ball bearing, bore 25 mm, O.D. 42 mm, width 9 mm, dynamic rating 7.4 kN. Dimensions, drawing, interchanges and price.

Shielded both sides
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Bore d25mm
Outside dia. D42mm
Width B9mm
Dynamic Cr7.4kN
Static C0r4.55kN
Limiting speed20,500rpm
Weight0.045kg
Cr / C0r1.63
Mean dia. dm33.5mm

Original catalogue drawing - FAG Schaeffler HR 1, page 244

61905-2Z 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. D42 mmBore d25 mmWidth B9 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 diameter250.9843
DOutside diameter421.6535
BInner-ring / bearing width90.3543
rChamfer (min)0.30.0118

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)25
Outside dia. D (mm)42
Width B (mm)9
Inner-ring OD d1 (mm)30.9
Seal outside dia. D2 (mm)39.5

Load ratings & speeds

Basic dynamic load rating Cr (lbs)1664
Basic static load rating Cor (lbs)1023
Basic dynamic load rating Cr (N)7400
Basic static load rating C0r (N)4550
Fatigue limit load Cur (N)280
Factor f015.4
Limiting speed nG (rpm)20,500
Reference speed nB (rpm)13,500

Weight

Weight (kg)0.045

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)0.3
Shaft shoulder da (mm)27
Housing shoulder Da (mm)40
Housing fillet ra max (mm)0.3

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 3,000 rpm
41,85064356
61,2332161,200
89255122,844
107401,0005,556
154933,37518,750

Basic rating life per ISO 281: L10 = (C/P)3 with C = 7,400 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.244 (dimensions)

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

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
6905NSKBall254291,570 lbs0.041
7905A5NSKPrecision / Angular Contact254291,680 lbs0.041
7905CNSKPrecision / Angular Contact254291,760 lbs0.041

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
61905FAGBall254297.4 kN0.042
61905-2RSRFAGBall254297.4 kN0.047
B71905-C-T-P4SFAGPrecision / Angular Contact254298.2 kN0.042
B71905-E-T-P4SFAGPrecision / Angular Contact254297.8 kN0.042
HCB71905-C-T-P4SFAGPrecision / Angular Contact254295.6 kN0.04
HCB71905-E-T-P4SFAGPrecision / Angular Contact254295.3 kN0.04
HCS71905-C-T-P4SFAGPrecision / Angular Contact254292.9 kN0.047
HCS71905-E-T-P4SFAGPrecision / Angular Contact254292.8 kN0.047

Series variants (different suffix)

DesignationBrandTypedDB/TDyn. ratingkg
61905FAGBall254297.4 kN0.042
61905-2RSRFAGBall254297.4 kN0.047

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
11205-TVHFAGBall25521512.3 kN0.226
1205-K-TVH-C3FAGBall25521512.3 kN0.135
1205-TVHFAGBall25521512.3 kN0.138
1305-K-TVH-C3FAGBall25621718.3 kN0.254
1305-TVHFAGBall25621718.3 kN0.258
16005FAGBall254787.7 kN0.052
2205-2RS-TVHFAGBall25521812.3 kN0.161
2205-K-2RS-TVH-C3FAGBall25521812.3 kN0.157

Request a quotation for 61905-2Z

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.

Online enquiry formrichard@bearingsfit.com