SIFT BEARING STORE CATALOG

NU1021NSKCylindrical Roller

NU1021 is a NSK cylindrical roller bearing, bore 105 mm, O.D. 160 mm, width 26 mm, dynamic rating 134 kN. Dimensions, drawing, interchanges and price.

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Bore d105mm
Outside dia. D160mm
Width B26mm
Dynamic Cr134kN
Static C0r149kN
Weight1.83kg
Cr / C0r0.9
Mean dia. dm132.5mm

Original catalogue drawing - NSK E1103, page 239

NU1021 NSK Cylindrical Roller 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
rChamfer (min)20.0787

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
Outside dia. D (mm)160
Width B (mm)26

Load ratings & speeds

Basic dynamic load rating Cr (lbs)30124
Basic static load rating Cor (lbs)33497
Basic dynamic load rating Cr (N)134000
Basic static load rating C0r (N)149000

Weight

Weight (kg)1.83

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)2
Chamfer r1 min (mm)1.1

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 500 rpm
433,5001023,386
622,33339213,083
816,7501,02434,133
1013,4002,15471,814
158,9338,323277,449

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 134,000 N. Hours = L10 x 106 / (60n). Life-modification factors for lubrication, contamination and temperature (aISO) are not included.

Source & traceability

BrandNSK
Source catalogueNSK CAT. No. E1103 (metric)
Catalogue pagep.239 (dimensions)

Load ratings in newtons, weights in kg, limiting speeds for grease and oil lubrication.

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
105BNC10NSKPrecision / Angular Contact1051602612,590 lbs1.728
105BNC10SN24NSKPrecision / Angular Contact1051602612,590 lbs1.728
7021NSKPrecision / Angular Contact1051602688 kN1.84
7021A5NSKPrecision / Angular Contact1051602618,700 lbs1.819
7021CNSKPrecision / Angular Contact1051602619,800 lbs1.801
N1021NSKPrecision / Angular Contact1051602624,500 lbs1.805

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
1021NSKCylindrical Roller1051602624,400 lbs1.805
221NSKCylindrical Roller1051903645,100 lbs4.051
321NSKCylindrical Roller1052254971,500 lbs8.618
421NSKCylindrical Roller10526060111,000 lbs17.237
NU321ENSKCylindrical Roller10522549525 kN9.84
1020NSKCylindrical Roller1001502420,900 lbs1.438
220NSKCylindrical Roller1001803440,900 lbs3.402
2220NSKCylindrical Roller1001804655,200 lbs4.536

Request a quotation for NU1021

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