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  • 7221 CD/P4A

7221 CD/P4A Bearing | Loyal

7221 CD/P4A interchange SKF 7221 CD/P4A
7221 CD/P4A cross reference SKF 7221 CD/P4A
7221 CD/P4A Equivalent bearing interchange guide:
Price: enquiry
Model Number: 7221 CD/P4A
D 190 mm
d 105 mm
B 36 mm
a 37.9 mm
Noun Bearing
Bore 4.134 Inch | 105 Millimeter
Width 1.417 Inch | 36 Millimeter
UNSPSC 31171531
Preload None
Category Precision Ball Bearings
Ball - z 15
Inventory 0.0
Enclosure Open
Size (mm) 190x105x36
Width (mm) 36
Flush Ground No
Mass bearing 3.87 kg
d1 131.2 mm
d2 131.2 mm
dn 138.4 mm
Inch - Metric Metric
D1 163.8 mm
Cage Material Phenolic
Raceway Style 1 Rib Outer Ring
d2 131.2 mm
Contact Angle 15 Degree
d1 131.2 mm
D1 163.8 mm
dn 138.4 mm
Product Group B04270
Other Features Single Row | Angular Contact | Super Precision | High Capacity Basic Design
Keyword String Ball Angular Contact
Bearing number 7221 CD/P4A
Gref 48.333 cm3
Rolling Element Ball Bearing
Material - Ball Steel
Preload class A 129 N/micron
Preload class B 174 N/micron
Preload class C 243 N/micron
Preload class D 349 N/micron
Precision Class ABEC 7 | ISO P4
Long Description 105MM Bore; 190MM Outside Diameter; 36MM Width; Open Enclosure; ABEC 7 | ISO P4 Precision; Steel Ball Material; 1 (Single) Bearing; 15 Degree Contact Angle; Phenolic Cage Material; 1 Rib Outer Ring Ra
Manufacturer URL http://www.skf.com
Outside Diameter 7.48 Inch | 190 Millimeter
Number of balls z 15
Weight / Kilogram 0
Manufacturer Name SKF
Number of Bearings 1 (Single)
da min. 117 mm
db min. 117 mm
Da max. 178 mm
Db max. 183 mm
ra max. 2 mm
rb max. 1 mm
Bore Diameter (mm) 190
Outer Diameter (mm) 105
r3,4 min. 1.1 mm
r1,2 min. 2.1 mm
db - min. 117 mm
Calculation factor f 1.08
Da - max. 178 mm
Db - max. 183 mm
ra - max. 2 mm
da - min. 117 mm
Ball - Dw 26.988 mm
rb - max. 1 mm
Minimum Buy Quantity N/A
Calculation factor - f 1.08
r3,4 - min. 1.1 mm
r1,2 - min. 2.1 mm
Harmonized Tariff Code 8482.10.50.28
Basic dynamic load rating C 172 kN
Ball diameter Dw 26.988 mm
Basic dynamic load rating - C 172 kN
Preload class D GD 5200 N
Preload class C GC 2600 N
Preload class B GB 1300 N
Preload class A GA 650 N
Preload class D - GD 5200 N
Preload class C - GC 2600 N
Preload class B - GB 1300 N
Preload class A - GA 650 N
Calculation factor f0 14.5
Calculation factor f1 1
Fatigue load limit Pu 5.3 kN
Calculation factor - f 1
Calculation factor fHC 1
Calculation factor f2D 1.05
Calculation factor f2C 1.03
Calculation factor f2B 1.01
Calculation factor f2A 1
Calculation factor - f0 14.5
Limiting speed for oil lubrication 12000 mm/min
Fatigue load limit - Pu 5.3 kN
Calculation factor - f2D 1.05
Calculation factor - f2A 1
Calculation factor - fHC 1
Calculation factor - f2B 1.01
Calculation factor - f2C 1.03
Limiting speed for grease lubrication 7500 r/min
Basic static load rating C0 153 kN
Static axial stiffness, preload class D 349 N/µm
Static axial stiffness, preload class B 174 N/µm
Static axial stiffness, preload class A 129 N/µm
Attainable speed for grease lubrication 7500 r/min
Static axial stiffness, preload class C 243 N/µm
Basic static load rating - C0 153 kN
Attainable speed for oil-air lubrication 12000 r/min
Reference grease quantity Gref 48.333 cm³


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