NTN Portugal 87503C3 Ball Bearings

Min.Order Quantity 1 pcs
Price Negotiable
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Product Details

Bearing number 7221 CD/P4A
Size (mm) 190x105x36
Bore Diameter (mm) 190
Outer Diameter (mm) 105
Width (mm) 36
d 105 mm
D 190 mm
B 36 mm
d1 131.2 mm
d2 131.2 mm
D1 163.8 mm
r1,2 - min. 2.1 mm
r3,4 - min. 1.1 mm
a 37.9 mm
da - min. 117 mm
db - min. 117 mm
Da - max. 178 mm
Db - max. 183 mm
ra - max. 2 mm
rb - max. 1 mm
dn 138.4 mm
Basic dynamic load rating - C 172 kN
Basic static load rating - C0 153 kN
Fatigue load limit - Pu 5.3 kN
Limiting speed for grease lubrication 7500 r/min
Limiting speed for oil lubrication 12000 mm/min
Ball - Dw 26.988 mm
Ball - z 15
Gref 48.333 cm3
Calculation factor - f0 14.5
Preload class A - GA 650 N
Preload class B - GB 1300 N
Preload class C - GC 2600 N
Preload class D - GD 5200 N
Calculation factor - f 1
Calculation factor - f2A 1
Calculation factor - f2B 1.01
Calculation factor - f2C 1.03
Calculation factor - f2D 1.05
Calculation factor - fHC 1
Preload class A 129 N/micron
Preload class B 174 N/micron
Preload class C 243 N/micron
Preload class D 349 N/micron
Category Precision Ball Bearings
Inventory 0.0
Minimum Buy Quantity N/A
Product Group B04270
Enclosure Open
Precision Class ABEC 7 | ISO P4
Material - Ball Steel
Number of Bearings 1 (Single)
Contact Angle 15 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 | Super Precision | High Capacity Basic Design
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
UNSPSC 31171531
Harmonized Tariff Code 8482.10.50.28
Noun Bearing
Keyword String Ball Angular Contact
Outside Diameter 7.48 Inch | 190 Millimeter
Bore 4.134 Inch | 105 Millimeter
Width 1.417 Inch | 36 Millimeter
r1,2 min. 2.1 mm
r3,4 min. 1.1 mm
da min. 117 mm
db min. 117 mm
Da max. 178 mm
Db max. 183 mm
ra max. 2 mm
rb max. 1 mm
Basic dynamic load rating C 172 kN
Basic static load rating C0 153 kN
Fatigue load limit Pu 5.3 kN
Attainable speed for grease lubrication 7500 r/min
Attainable speed for oil-air lubrication 12000 r/min
Ball diameter Dw 26.988 mm
Number of balls z 15
Reference grease quantity Gref 48.333 cm³
Preload class A GA 650 N
Static axial stiffness, preload class A 129 N/µm
Preload class B GB 1300 N
Static axial stiffness, preload class B 174 N/µm
Preload class C GC 2600 N
Static axial stiffness, preload class C 243 N/µm
Preload class D GD 5200 N
Static axial stiffness, preload class D 349 N/µm
Calculation factor f 1.08
Calculation factor f1 1
Calculation factor f2A 1
Calculation factor f2B 1.01
Calculation factor f2C 1.03
Calculation factor f2D 1.05
Calculation factor fHC 1
Calculation factor f0 14.5
Mass bearing 3.87 kg
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Phone 00(65) 6258 1688
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