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NSK 6321DDU deep groove ball bearings - Industrial Bearing

  NSK 6321DDU deep groove ball bearings

NSK 6321DDU deep groove ball bearings pdf

NSK 6321DDU deep groove ball bearings with easy-to-use 190x140x24 Size (mm) parts graphics, giving you the ability to check parts availability, pricing, examine remanufactured options.

Size (mm) 190x140x24
Bore Diameter (mm) 190
Outer Diameter (mm) 140
Width (mm) 24
d 140 mm
D 190 mm
B 24 mm
d1 155.4 mm
d2 155.4 mm
D1 174.6 mm
r1,2 – min. 1.5 mm
r3,4 – min. 0.6 mm
a 50.6 mm
da – min. 147 mm
db – min. 147 mm
Da – max. 183 mm
Db – max. 186 mm
ra – max. 1.5 mm
rb – max. 0.6 mm
dn 159.5 mm
Basic dynamic load rating – C 90.4 kN
Basic static load rating – C0 110 kN
Fatigue load limit – Pu 3.6 kN
Limiting speed for grease lubrication 6000 r/min
Limiting speed for oil lubrication 9000 mm/min
Ball – Dw 15.875 mm
Ball – z 29
Gref 21.6 cm3
Calculation factor – e 0.68
Calculation factor – Y2 1.41
Calculation factor – Y0 0.76
Calculation factor – X2 0.67
Calculation factor – Y1 0.92
Preload class A – GA 560 N
Preload class B – GB 1120 N
Preload class C – GC 2240 N
Preload class D – GD 4480 N
Calculation factor – f 1.29
Calculation factor – f1 0.98
Calculation factor – f2A 1
Calculation factor – f2B 1.04
Calculation factor – f2C 1.08
Calculation factor – f2D 1.14
Calculation factor – fHC 1
Preload class A 348 N/micron
Preload class B 457 N/micron
Preload class C 614 N/micron
Preload class D 841 N/micron
Inventory 0.0
Manufacturer Name SKF
Minimum Buy Quantity N/A
Weight / Kilogram 1.91
Product Group B04270
Enclosure Open
Precision Class ABEC 7 | ISO P4
Material – Ball Steel
Number of Bearings 1 (Single)
Contact Angle 25 Degree
Preload None
Raceway Style 1 Rib Outer Ring
Cage Material Phenolic
Rolling Element Ball Bearing
Flush Ground No
Inch – Metric Metric
Other Features Single Row | Angular Contact | High Precision
Long Description 140MM Bore; 190MM Outside Diameter; 24MM Width; Open Enclosure; ABEC 7 | ISO P4 Precision; Steel Bal
UNSPSC 31171531
Harmonized Tariff Code 8482.10.50.28
Noun Bearing
Keyword String Angular Contact Ball
Manufacturer Item Number 71928 ACD/P4A
Weight / LBS 4.211
Bore 5.512 Inch | 140 Millimeter
Outside Diameter 7.48 Inch | 190 Millimeter
Width 0.945 Inch | 24 Millimeter
r1,2 min. 1.5 mm
r3,4 min. 0.6 mm
da min. 147 mm
db min. 147 mm
Da max. 183 mm
Db max. 186 mm
ra max. 1.5 mm
rb max. 0.6 mm
Basic dynamic load rating C 90.4 kN
Basic static load rating C0 110 kN
Fatigue load limit Pu 3.65 kN
Attainable speed for grease lubrication 6000 r/min
Attainable speed for oil-air lubrication 9000 r/min
Ball diameter Dw 15.875 mm
Number of balls z 29
Reference grease quantity Gref 21.6 cm³
Preload class A GA 560 N
Static axial stiffness, preload class A 348 N/µm
Preload class B GB 1120 N
Static axial stiffness, preload class B 457 N/µm
Preload class C GC 2240 N
Static axial stiffness, preload class C 614 N/µm
Preload class D GD 4480 N
Static axial stiffness, preload class D 841 N/µm
Calculation factor f 1.29
Calculation factor f1 0.98
Calculation factor f2A 1
Calculation factor f2B 1.04
Calculation factor f2C 1.08
Calculation factor f2D 1.14
Calculation factor fHC 1
Calculation factor e 0.68
Calculation factor (single, tandem) Y2 0.87
Calculation factor (single, tandem) Y0 0.38
Calculation factor (single, tandem) X2 0.41
Calculation factor (back-to-back, face-to-face) Y1 0.92
Calculation factor (back-to-back, face-to-face) Y2 1.41
Calculation factor (back-to-back, face-to-face) Y0 0.76
Calculation factor (back-to-back, face-to-face) X2 0.67
Mass bearing 1.65 kg

  Detailed Parameters

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