SIFT BEARING STORE CATALOG

7912A5NSKPrecision / Angular Contact

7912A5 is a NSK precision / angular contact bearing, bore 60 mm, O.D. 85 mm, width 13 mm. Dimensions, drawing, interchanges and price.

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Bore d60mm
Outside dia. D85mm
Width B13mm
Dynamic Cr4,120lbs
Static C0r3,990lbs
Limiting speed13,800rpm
Weight0.172kg
Cr / C0r1.03
Mean dia. dm72.5mm

Original catalogue drawing - NSK catalogue, page 201

7912A5 NSK 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. D85 mmBore d60 mmWidth B13 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 diameter853.3465
BInner-ring / bearing width130.5118

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
Bore d (in)2.3622
Outside dia. D (mm)85
Outside dia. D (in)3.3465
Width B (mm)13
Width B (in)0.5118

Load ratings & speeds

Basic dynamic load rating Cr (lbs)4120
Basic static load rating Cor (lbs)3990
Limiting speed - grease (rpm)13,800
Limiting speed - oil (rpm)20,700

Weight

Weight (kg)0.172

Mounting dimensions (fillets / shoulders)

Fillet ra (in)0.039
Fillet rb (in)0.020
Shaft shoulder da (in)2.598
Housing shoulder Da (in)3.110
Housing shoulder Db (in)3.150

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 3,000 rpm
44,58264356
63,0542161,200
82,2915122,844
101,8331,0005,556
151,2223,37518,750

Basic rating life per ISO 281: L10 = (C/P)3 with C = 18,327 N. Hours = L10 x 106 / (60n). Life-modification factors for lubrication, contamination and temperature (aISO) are not included.

Source & traceability

BrandNSK
Source catalogueNSK inch product catalogue
Catalogue pagep.203 (dimensions) / p.204 (ratings)

Dimensions in inches and millimetres, load ratings in lbs.

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
61912FAGBall60851317.4 kN0.206
61912-2RSRFAGBall60851317.4 kN0.19
B71912-C-T-P4SFAGPrecision / Angular Contact60851324 kN0.196
B71912-E-T-P4SFAGPrecision / Angular Contact60851322.8 kN0.195
HCB71912-C-T-P4SFAGPrecision / Angular Contact60851316.6 kN0.19
HCB71912-E-T-P4SFAGPrecision / Angular Contact60851315.6 kN0.19
HCS71912-C-T-P4SFAGPrecision / Angular Contact6085139.7 kN0.19
HCS71912-E-T-P4SFAGPrecision / Angular Contact6085139 kN0.19
HSS71912-C-T-P4SFAGPrecision / Angular Contact60851314 kN0.22
HSS71912-E-T-P4SFAGPrecision / Angular Contact60851313.2 kN0.22

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
6912NSKBall6085134,360 lbs0.186
7912CNSKPrecision / Angular Contact6085134,370 lbs0.191

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
5212NSKPrecision / Angular Contact6011036.576 kN1.33
5312NSKPrecision / Angular Contact6013054138 kN2.92
60BAR10SNSKPrecision / Angular Contact609516.54,249 lbs0.422
60BNC10NSKPrecision / Angular Contact6095184,680 lbs0.44
60BNC10SN24NSKPrecision / Angular Contact6095184,680 lbs0.44
60BNR10HNSKPrecision / Angular Contact6095183,510 lbs0.443
60BNR10SNSKPrecision / Angular Contact6095183,510 lbs0.443
60BTR10SNSKPrecision / Angular Contact609516.55,036 lbs0.422

Request a quotation for 7912A5

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.