NSK Brazil 6301ZZC3 Single Row Ball Bearings -

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Produktinformation

Bearing number:7210 ACD/HCP4A
Size (mm):90x50x20
Bore Diameter (mm):90
Outer Diameter (mm):50
Width (mm):20
d:50 mm
D:90 mm
B:20 mm
d1:62.3 mm
d2:62.3 mm
D1:77.7 mm
r1,2 - min.:1.1 mm
r3,4 - min.:0.6 mm
a:26.4 mm
da - min.:57 mm
db - min.:57 mm
Da - max.:83 mm
Db - max.:85.8 mm
ra - max.:1 mm
rb - max.:0.6 mm
dn:65.6 mm
Basic dynamic load rating - C:42.3 kN
Basic static load rating - C0:32.5 kN
Fatigue load limit - Pu:1.4 kN
Limiting speed for grease lubrication:16000 r/min
Limiting speed for oil lubrication:26000 mm/min
Ball - Dw:12.7 mm
Ball - z:15
Gref:6.708 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:265 N
Preload class B - GB:530 N
Preload class C - GC:1060 N
Preload class D - GD:2120 N
Calculation factor - f:1.08
Calculation factor - f1:0.99
Calculation factor - f2A:1
Calculation factor - f2B:1.01
Calculation factor - f2C:1.03
Calculation factor - f2D:1.06
Calculation factor - fHC:1.01
Preload class A:171 N/micron
Preload class B:223 N/micron
Preload class C:295 N/micron
Preload class D:398 N/micron
Category:Precision Ball Bearings
Inventory:0.0
Minimum Buy Quantity:N/A
Weight / Kilogram:0
Product Group:B04270
Enclosure:Open
Precision Class:ABEC 7 | ISO P4
Material - Ball:Ceramic
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 Capacity Basic Design
Long Description:50MM Bore; 90MM Outside Diameter; 20MM Width; Open Enclosure; ABEC 7 | ISO P4 Precision; Ceramic Ball Material; 1 (Single) Bearing; 25 Degree Contact Angle; Phenolic Cage Material; 1 Rib Outer Ring Ra
UNSPSC:31171531
Harmonized Tariff Code:8482.10.50.28
Noun:Bearing
Keyword String:Ball Angular Contact
Outside Diameter:3.543 Inch | 90 Millimeter
Bore:1.969 Inch | 50 Millimeter
Width:0.787 Inch | 20 Millimeter
r1,2 min.:1.1 mm
r3,4 min.:0.6 mm
da min.:57 mm
db min.:57 mm
Da max.:83 mm
Db max.:85.8 mm
ra max.:1 mm
rb max.:0.6 mm
Basic dynamic load rating C:42.3 kN
Basic static load rating C0:32.5 kN
Fatigue load limit Pu:1.37 kN
Attainable speed for grease lubrication:16000 r/min
Attainable speed for oil-air lubrication:26000 r/min
Ball diameter Dw:12.7 mm
Number of balls z:15
Reference grease quantity Gref:6.708 cm³
Preload class A GA:265 N
Static axial stiffness, preload class A:171 N/µm
Preload class B GB:530 N
Static axial stiffness, preload class B:223 N/µm
Preload class C GC:1060 N
Static axial stiffness, preload class C:295 N/µm
Preload class D GD:2120 N
Static axial stiffness, preload class D:398 N/µm
Calculation factor f:1.08
Calculation factor f1:0.99
Calculation factor f2A:1
Calculation factor f2B:1.01
Calculation factor f2C:1.03
Calculation factor f2D:1.06
Calculation factor fHC:1.01
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:0.39 kg

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