SIFT BEARING STORE CATALOG

3801-B-2RS-TVHFAGPrecision / Angular Contact

3801-B-2RS-TVH is a FAG precision / angular contact bearing, bore 12 mm, O.D. 21 mm, width 7 mm. Dimensions, drawing, interchanges and price.

Sealed both sidesPolyamide cage
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Bore d12mm
Outside dia. D21mm
Width B7mm
Dynamic Cr2.15kN
Static C0r1.52kN
Limiting speed17,500rpm
Weight0.01kg
Cr / C0r1.41
Mean dia. dm16.5mm

Original catalogue drawing - FAG Schaeffler HR 1, page 330

3801-B-2RS-TVH 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. D21 mmBore d12 mmWidth B7 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 diameter120.4724
DOutside diameter210.8268
BInner-ring / bearing width70.2756
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)12
Outside dia. D (mm)21
Width B (mm)7
Seal outside dia. D2 (mm)18.9

Load ratings & speeds

Basic dynamic load rating Cr (lbs)483
Basic static load rating Cor (lbs)342
Basic dynamic load rating Cr (N)2150
Basic static load rating C0r (N)1520
Fatigue limit load Cur (N)77
Limiting speed nG (rpm)17,500
Effective load centre a (mm)9.9

Weight

Weight (kg)0.01

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)0.3
Shaft shoulder da (mm)14
Housing shoulder Da (mm)19
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
453864356
63582161,200
82695122,844
102151,0005,556
151433,37518,750

Basic rating life per ISO 281: L10 = (C/P)3 with C = 2,150 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.330 (dimensions)

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

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
3801-B-2RSR-TVHFAGPrecision / Angular Contact122172.2 kN0.008
3801-B-2RZ-TVHFAGPrecision / Angular Contact122172.1 kN0.01
3801-B-2Z-TVHFAGPrecision / Angular Contact122172.2 kN0.008
3801-B-TVHFAGPrecision / Angular Contact122172.1 kN0.009

Series variants (different suffix)

DesignationBrandTypedDB/TDyn. ratingkg
3801-B-2RSR-TVHFAGPrecision / Angular Contact122172.2 kN0.008
3801-B-2RZ-TVHFAGPrecision / Angular Contact122172.1 kN0.01
3801-B-2Z-TVHFAGPrecision / Angular Contact122172.2 kN0.008
3801-B-TVHFAGPrecision / Angular Contact122172.1 kN0.009

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
3001-B-2RS-TVHFAGPrecision / Angular Contact1228126.1 kN0.032
3001-B-2RSR-TVHFAGPrecision / Angular Contact1228126.2 kN0.025
3001-B-2RZ-TVHFAGPrecision / Angular Contact1228126.1 kN0.032
3001-B-2Z-TVHFAGPrecision / Angular Contact1228126.2 kN0.025
3001-B-TVHFAGPrecision / Angular Contact1228126.1 kN0.025
3201-B-2RS-TVHFAGPrecision / Angular Contact123215.910.5 kN0.057
3201-B-2Z-TVHFAGPrecision / Angular Contact123215.910.6 kN0.053
3201-B-TVHFAGPrecision / Angular Contact123215.910.6 kN0.051

Request a quotation for 3801-B-2RS-TVH

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