SIFT BEARING STORE CATALOG

HCS71904-E-T-P4SFAGPrecision / Angular Contact

HCS71904-E-T-P4S is a FAG precision / angular contact bearing, bore 20 mm, O.D. 37 mm, width 9 mm. Dimensions, drawing, interchanges and price.

High precision classHybrid ceramic balls
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Bore d20mm
Outside dia. D37mm
Width B9mm
Dynamic Cr2.55kN
Static C0r1.86kN
Limiting speed48,000rpm
Weight0.041kg
Cr / C0r1.37
Mean dia. dm28.5mm

Original catalogue drawing - FAG Schaeffler HR 1, page 308

HCS71904-E-T-P4S FAG Precision / Angular Contact 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. D37 mmBore d20 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 diameter200.7874
DOutside diameter371.4567
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)20
Outside dia. D (mm)37
Width B (mm)9

Load ratings & speeds

Basic dynamic load rating Cr (lbs)573
Basic static load rating Cor (lbs)418
Basic dynamic load rating Cr (N)2550
Basic static load rating C0r (N)1860
Fatigue limit load Cur (N)119
Limiting speed nG (rpm)48,000
Effective load centre a (mm)11

Weight

Weight (kg)0.041

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)0.3
Shaft shoulder da (mm)24
Housing shoulder Da (mm)33.5
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
463864356
64252161,200
83195122,844
102551,0005,556
151703,37518,750

Basic rating life per ISO 281: L10 = (C/P)3 with C = 2,550 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.308 (dimensions)

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

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
6904NSKBall203791,430 lbs0.036
7904A5NSKPrecision / Angular Contact203791,490 lbs0.036
7904CNSKPrecision / Angular Contact203791,570 lbs0.036

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
61904FAGBall203796.8 kN0.04
61904-2RSRFAGBall203796.8 kN0.037
61904-2ZFAGBall203796.8 kN0.037
B71904-C-T-P4SFAGPrecision / Angular Contact203797.3 kN0.036
B71904-E-T-P4SFAGPrecision / Angular Contact203797 kN0.036
HCB71904-C-T-P4SFAGPrecision / Angular Contact203795 kN0.03
HCB71904-E-T-P4SFAGPrecision / Angular Contact203794.8 kN0.03
HCS71904-C-T-P4SFAGPrecision / Angular Contact203792.7 kN0.041

Series variants (different suffix)

DesignationBrandTypedDB/TDyn. ratingkg
HCS71904-C-T-P4SFAGPrecision / Angular Contact203792.7 kN0.041

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
3004-B-2RS-TVHFAGPrecision / Angular Contact20421614.3 kN0.094
3004-B-2RSR-TVHFAGPrecision / Angular Contact20421614.5 kN0.08
3004-B-2RZ-TVHFAGPrecision / Angular Contact20421614.3 kN0.094
3004-B-2Z-TVHFAGPrecision / Angular Contact20421614.5 kN0.08
3004-B-TVHFAGPrecision / Angular Contact20421614.3 kN0.08
3204-B-2RSR-TVHFAGPrecision / Angular Contact204720.619.6 kN0.158
3204-B-2Z-TVHFAGPrecision / Angular Contact204720.619.6 kN0.16
3204-B-TVHFAGPrecision / Angular Contact204720.619.6 kN0.154

Request a quotation for HCS71904-E-T-P4S

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.