SIFT BEARING STORE CATALOG

QJ312-MPAFAGBall

QJ312-MPA is a FAG ball bearing, bore 60 mm, O.D. 130 mm, width 31 mm, dynamic rating 146 kN. Dimensions, drawing, interchanges and price.

Brass cage
Request a quoteEmail usSearch the catalog
Bore d60mm
Outside dia. D130mm
Width B31mm
Dynamic Cr146kN
Static C0r127kN
Limiting speed9,000rpm
Weight2.2kg
Cr / C0r1.15
Mean dia. dm95mm

Original catalogue drawing - FAG Schaeffler HR 1, page 320

QJ312-MPA 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. D130 mmBore d60 mmWidth B31 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 diameter602.3622
DOutside diameter1305.1181
BInner-ring / bearing width311.2205
rChamfer (min)2.10.0827

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)60
Outside dia. D (mm)130
Width B (mm)31
Inner-ring OD d1 (mm)84.2
Inner-ring shoulder dia. D1 (mm)106.9

Load ratings & speeds

Basic dynamic load rating Cr (lbs)32822
Basic static load rating Cor (lbs)28551
Basic dynamic load rating Cr (N)146000
Basic static load rating C0r (N)127000
Fatigue limit load Cur (N)6700
Limiting speed nG (rpm)9,000
Effective load centre a (mm)67

Weight

Weight (kg)2.2

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)2.1
Shaft shoulder da (mm)72
Housing shoulder Da (mm)118
Housing fillet ra max (mm)2.1

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 3,000 rpm
436,50064356
624,3332161,200
818,2505122,844
1014,6001,0005,556
159,7333,37518,750

Basic rating life per ISO 281: L10 = (C/P)3 with C = 146,000 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.320 (dimensions)

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

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
1312NSKBall601303112,800 lbs2.032
6312NSKBall601303118,400 lbs1.701
7312BNSKBall601303119,100 lbs2
BL312NSKBall601303122,700 lbs1.846
312NSKCylindrical Roller601303127,700 lbs2.041
NU312NSKCylindrical Roller6013031152 kN1.82
NU312ENSKCylindrical Roller6013031184 kN2.06
21312EAE4NSKSpherical Roller6013031238 kN1.98
HR30312NSKTapered Roller6013031214 kN2.03
HR30312JNSKTapered Roller601303139,100 lbs2.032

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
1312-K-TVH-C3FAGBall601303158 kN1.94
1312-TVHFAGBall601303158 kN1.97
6312FAGBall601303181.5 kN1.75
6312-2RSRFAGBall601303181.5 kN1.79
6312-2ZFAGBall601303181.5 kN1.79
6312-CFAGBall601303189 kN1.71
6312-C-2BRSFAGBall601303189 kN1.75
6312-C-2HRSFAGBall601303189 kN1.75

Series variants (different suffix)

DesignationBrandTypedDB/TDyn. ratingkg
QJ312-XL-MPAFAGBall6013031152 kN2.2

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
11212-TVHFAGBall601102230.5 kN1.51
1212-K-TVH-C3FAGBall601102230.5 kN0.88
1212-TVHFAGBall601102230.5 kN0.894
1312-K-TVH-C3FAGBall601303158 kN1.94
1312-TVHFAGBall601303158 kN1.97
16012FAGBall60951121.2 kN0.283
2212-2RS-TVHFAGBall601102830.5 kN1.13
2212-K-2RS-TVH-C3FAGBall601102830.5 kN1.13

Request a quotation for QJ312-MPA

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.