SIFT BEARING STORE CATALOG

BL312NSKBall

BL312 is a NSK ball bearing, bore 60 mm, O.D. 130 mm, width 31 mm, dynamic rating 22,700 lbs. Dimensions, drawing, interchanges and price.

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Bore d60mm
Outside dia. D130mm
Width B31mm
Dynamic Cr22,700lbs
Static C0r16,100lbs
Limiting speed5,300rpm
Weight1.846kg
Cr / C0r1.41
Mean dia. dm95mm

Original catalogue drawing - NSK catalogue, page 43

BL312 NSK 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)2.0070.079

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)130
Outside dia. D (in)5.1181
Width B (mm)31
Width B (in)1.2205

Load ratings & speeds

Basic dynamic load rating Cr (lbs)22700
Basic static load rating Cor (lbs)16100
Limiting speed - grease (rpm)5,300
Limiting speed - oil (rpm)6,300

Weight

Weight (kg)1.846

Mounting dimensions (fillets / shoulders)

Chamfer r (in)0.079
Shaft shoulder da min (in)2.797
Shaft shoulder da max (in)3.113
Housing shoulder Da max (in)4.689

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 1,700 rpm
425,24464627
616,8292162,118
812,6225125,020
1010,0971,0009,804
156,7323,37533,088

Basic rating life per ISO 281: L10 = (C/P)3 with C = 100,975 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.45 (dimensions) / p.46 (ratings)

Dimensions in inches and millimetres, load ratings in lbs.

Interchange - same dimensions, other brands

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
6312-C-2ZFAGBall601303189 kN1.74
QJ312-MPAFAGBall6013031146 kN2.2

Same dimensions, same brand

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

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
1212NSKBall60110226,740 lbs0.898
1312NSKBall601303112,800 lbs2.032
16012NSKBall60951122 kN0.281
2212NSKBall60110287,640 lbs1.152
2312NSKBall601304619,400 lbs2.83
3212JNSKBall6011036.515,600 lbs1.397
3312JNSKBall601305425,600 lbs3.243
5212JNSKBall6011036.515,600 lbs1.352

Request a quotation for BL312

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.