NTN 23124BD1 Spherical Roller Bearings

Various SPHERICAL ROLLER BEARINGS types 50x90x20 Size (mm) and sizes to 50x90x20 accommodate your Kate Komatsu part Machinery Co., Ltd NTN 23124BD1 Spherical Roller Bearings requirements.

Bearing number:7210 ACD/P4A
Size (mm):50x90x20
Bore Diameter (mm):50
Outer Diameter (mm):90
Width (mm):20
d:50 mm
D:90 mm
B:20 mm

Product Details

Bearing number7210 ACD/P4A
Size (mm)50x90x20
Bore Diameter (mm)50
Outer Diameter (mm)90
Width (mm)20
d50 mm
D90 mm
B20 mm
C20 mm
d162.3 mm
d262.3 mm
r1 min.1,1 mm
r2 min.1,1 mm
r3 min.0,6 mm
r4 min.0,6 mm
D177.7 mm
D280,7 mm
da min.57 mm
Da max.83 mm
db min57 mm
ra max.1 mm
rb max.0.6 mm
dh65,6 mm
Db max85,8 mm
Weight0,46 Kg
Basic dynamic load rating (C)42,3 kN
Basic static load rating (C0)32,5 kN
(Grease) Lubrication Speed14 000 r/min
(Oil) Lubrication Speed22 000 r/min
Fatigue load limit (Pu)1,37
CategoryPrecision Ball Bearings
Inventory0.0
Minimum Buy QuantityN/A
Weight / Kilogram0.479
Product GroupB04270
EnclosureOpen
Precision ClassABEC 7 | ISO P4
Material - BallSteel
Number of Bearings1 (Single)
Contact Angle25 Degree
PreloadNone
Raceway Style1 Rib Outer Ring
Cage MaterialPhenolic
Rolling ElementBall Bearing
Flush GroundNo
Inch - MetricMetric
Other FeaturesSingle Row | Angular Contact | Super Precision | High Capacity
Long Description50MM Bore; 90MM Outside Diameter; 20MM Width; Open Enclosure; ABEC 7 | ISO P4 Precision; Steel Ball Material; 1 (Single) Bearings; 25 Degree Contact Angle; Phenolic Cage Material; 1 Rib Outer Ring Rac
UNSPSC31171531
Harmonized Tariff Code8482.10.50.28
NounBearing
Keyword StringAngular Contact Ball
Manufacturer Item Number7210 ACD/P4A
Weight / LBS1.047
Bore1.969 Inch | 50 Millimeter
Outside Diameter3.543 Inch | 90 Millimeter
Width0.787 Inch | 20 Millimeter
r1,2 min.1.1 mm
r3,4 min.0.6 mm
a26.4 mm
db min.57 mm
Db max.85.8 mm
dn65.6 mm
Basic dynamic load rating C42.3 kN
Basic static load rating C032.5 kN
Fatigue load limit Pu1.37 kN
Attainable speed for grease lubrication14000 r/min
Attainable speed for oil-air lubrication22000 r/min
Ball diameter Dw12.7 mm
Number of balls z15
Reference grease quantity Gref6.708 cm³
Preload class A GA265 N
Static axial stiffness, preload class A154 N/µm
Preload class B GB530 N
Static axial stiffness, preload class B201 N/µm
Preload class C GC1060 N
Static axial stiffness, preload class C266 N/µm
Preload class D GD2120 N
Static axial stiffness, preload class D359 N/µm
Calculation factor f1.08
Calculation factor f10.99
Calculation factor f2A1
Calculation factor f2B1.01
Calculation factor f2C1.02
Calculation factor f2D1.05
Calculation factor fHC1
Calculation factor e0.68
Calculation factor (single, tandem) Y20.87
Calculation factor (single, tandem) Y00.38
Calculation factor (single, tandem) X20.41
Calculation factor (back-to-back, face-to-face) Y10.92
Calculation factor (back-to-back, face-to-face) Y21.41
Calculation factor (back-to-back, face-to-face) Y00.76
Calculation factor (back-to-back, face-to-face) X20.67
Mass bearing0.46 kg
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