SIFT BEARING STORE CATALOG

B71921-E-T-P4SFAGPrecision / Angular Contact

B71921-E-T-P4S is a FAG precision / angular contact bearing, bore 105 mm, O.D. 145 mm, width 20 mm. Dimensions, drawing, interchanges and price.

High precision class
Request a quoteEmail usSearch the catalog
Bore d105mm
Outside dia. D145mm
Width B20mm
Dynamic Cr55kN
Static C0r60kN
Limiting speed7,500rpm
Weight0.813kg
Cr / C0r0.92
Mean dia. dm125mm

Original catalogue drawing - FAG Schaeffler HR 1, page 288

B71921-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. D145 mmBore d105 mmWidth B20 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 diameter1054.1339
DOutside diameter1455.7087
BInner-ring / bearing width200.7874
rChamfer (min)1.10.0433

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)105
Outside dia. D (mm)145
Width B (mm)20

Load ratings & speeds

Basic dynamic load rating Cr (lbs)12364
Basic static load rating Cor (lbs)13489
Basic dynamic load rating Cr (N)55000
Basic static load rating C0r (N)60000
Fatigue limit load Cur (N)3900
Limiting speed nG (rpm)7,500
Effective load centre a (mm)39

Weight

Weight (kg)0.813

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)1.1
Chamfer r1 min (mm)1.1
Shaft shoulder da (mm)112
Housing shoulder Da (mm)138
Housing fillet ra max (mm)0.6
Housing fillet ra1 max (mm)0.6

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 2,500 rpm
413,75064427
69,1672161,440
86,8755123,413
105,5001,0006,667
153,6673,37522,500

Basic rating life per ISO 281: L10 = (C/P)3 with C = 55,000 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.288 (dimensions)

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

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
6921NSKBall105145209,460 lbs0.835
7921A5NSKPrecision / Angular Contact1051452010,800 lbs0.821
7921CNSKPrecision / Angular Contact1051452011,500 lbs0.812

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
61921FAGBall1051452046.5 kN0.87
B71921-C-T-P4SFAGPrecision / Angular Contact1051452058.5 kN0.814
HCB71921-C-T-P4SFAGPrecision / Angular Contact1051452040 kN0.82
HCB71921-E-T-P4SFAGPrecision / Angular Contact1051452038 kN0.82
HCS71921-C-T-P4SFAGPrecision / Angular Contact1051452020.8 kN0.851
HCS71921-E-T-P4SFAGPrecision / Angular Contact1051452019.6 kN0.85
HSS71921-C-T-P4SFAGPrecision / Angular Contact1051452030 kN0.897
HSS71921-E-T-P4SFAGPrecision / Angular Contact1051452028 kN0.87

Series variants (different suffix)

DesignationBrandTypedDB/TDyn. ratingkg
B71921-C-T-P4SFAGPrecision / Angular Contact1051452058.5 kN0.814

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
3221-MFAGPrecision / Angular Contact10519065.1213 kN7.78
7221-B-MPFAGPrecision / Angular Contact10519036144 kN4.18
7221-B-XL-MPFAGPrecision / Angular Contact10519036155 kN4.18
7321-B-MPFAGPrecision / Angular Contact10522549209 kN9
7321-B-XL-MPFAGPrecision / Angular Contact10522549225 kN9.3
B7021-C-T-P4SFAGPrecision / Angular Contact1051602683 kN1.52
B7021-E-T-P4SFAGPrecision / Angular Contact1051602678 kN1.51
B7221-C-T-P4SFAGPrecision / Angular Contact10519036163 kN3.89

Request a quotation for B71921-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.