SIFT BEARING STORE CATALOG

7021A5NSKPrecision / Angular Contact

7021A5 is a NSK precision / angular contact bearing, bore 105 mm, O.D. 160 mm, width 26 mm. Dimensions, drawing, interchanges and price.

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Bore d105mm
Outside dia. D160mm
Width B26mm
Dynamic Cr18,700lbs
Static C0r19,100lbs
Limiting speed7,500rpm
Weight1.819kg
Cr / C0r0.98
Mean dia. dm132.5mm

Original catalogue drawing - NSK catalogue, page 193

7021A5 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. D160 mmBore d105 mmWidth B26 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 diameter1606.2992
BInner-ring / bearing width261.0236

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
Bore d (in)4.1339
Outside dia. D (mm)160
Outside dia. D (in)6.2992
Width B (mm)26
Width B (in)1.0236

Load ratings & speeds

Basic dynamic load rating Cr (lbs)18700
Basic static load rating Cor (lbs)19100
Limiting speed - grease (rpm)7,500
Limiting speed - oil (rpm)11,400

Weight

Weight (kg)1.819

Mounting dimensions (fillets / shoulders)

Fillet ra (in)0.079
Fillet rb (in)0.039
Shaft shoulder da (in)4.528
Housing shoulder Da (in)5.906
Housing shoulder Db (in)6.063

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 2,500 rpm
420,79564427
613,8642161,440
810,3985123,413
108,3181,0006,667
155,5453,37522,500

Basic rating life per ISO 281: L10 = (C/P)3 with C = 83,182 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.195 (dimensions) / p.196 (ratings)

Dimensions in inches and millimetres, load ratings in lbs.

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
6021FAGBall1051602675 kN1.67
6021-2RSRFAGBall1051602675 kN1.6
6021-2ZFAGBall1051602675 kN1.7
QJ1021-N2-MPAFAGBall10516026117 kN2.035
NU1021-M1FAGCylindrical Roller10516026131 kN1.84
NU1021-XL-M1FAGCylindrical Roller10516026132 kN1.84
B7021-C-T-P4SFAGPrecision / Angular Contact1051602683 kN1.52
B7021-E-T-P4SFAGPrecision / Angular Contact1051602678 kN1.51
HCB7021-C-T-P4SFAGPrecision / Angular Contact1051602657 kN1.49
HCB7021-E-T-P4SFAGPrecision / Angular Contact1051602654 kN1.49

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
6021NSKBall1051602616,300 lbs1.592
1021NSKCylindrical Roller1051602624,400 lbs1.805
NU1021NSKCylindrical Roller10516026134 kN1.83
105BNC10NSKPrecision / Angular Contact1051602612,590 lbs1.728
105BNC10SN24NSKPrecision / Angular Contact1051602612,590 lbs1.728
7021NSKPrecision / Angular Contact1051602688 kN1.84
7021CNSKPrecision / Angular Contact1051602619,800 lbs1.801
N1021NSKPrecision / Angular Contact1051602624,500 lbs1.805

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
105BAR10SNSKPrecision / Angular Contact10516024.7511,128 lbs1.737
105BNC10NSKPrecision / Angular Contact1051602612,590 lbs1.728
105BNC10SN24NSKPrecision / Angular Contact1051602612,590 lbs1.728
105BTR10SNSKPrecision / Angular Contact10516024.7513,151 lbs1.742
7021NSKPrecision / Angular Contact1051602688 kN1.84
7021CNSKPrecision / Angular Contact1051602619,800 lbs1.801
7221NSKPrecision / Angular Contact10519036172 kN3.84
7221A5NSKPrecision / Angular Contact1051903634,800 lbs3.769

Request a quotation for 7021A5

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.