Product Details

71902C-2RS-P4 Angular Contact Ball Bearing

Brand Name Nachi
Model Number R18ZZ
Min.Order Quantity 1 pcs
Price Negotiable

Product Features

Nachi R18ZZ bearing Size Chart (mm/inches)

Bearing number71908 CD/HCP4A
Size (mm)40x62x12
Bore Diameter (mm)40
Outer Diameter (mm)62
Width (mm)12
d40 mm
D62 mm
B12 mm
C12 mm
d147,1 mm
d247,1 mm
r1 min.0,6 mm
r2 min.0,6 mm
r3 min.0,3 mm
r4 min.0,3 mm
D154,9 mm
D257,1 mm
da min.43,2 mm
Da max.58,8 mm
db min43,2 mm
ra max.0,6 mm
rb max.0,3 mm
dh48,7 mm
Db max60,6 mm
Weight0,1 Kg
Basic dynamic load rating (C)12,4 kN
Basic static load rating (C0)8,5 kN
(Grease) Lubrication Speed28 000 r/min
(Oil) Lubrication Speed40 000 r/min
Fatigue load limit (Pu)0,36
CategoryPrecision Ball Bearings
Manufacturer NameSKF
Minimum Buy QuantityN/A
Weight / Kilogram0
Product GroupB04270
Precision ClassABEC 7 | ISO P4
Material - BallCeramic
Number of Bearings1 (Single)
Contact Angle15 Degree
Raceway Style1 Rib Outer Ring
Cage MaterialPhenolic
Rolling ElementBall Bearing
Flush GroundNo
Inch - MetricMetric
Other FeaturesSingle Row | Angular Contact | High Capacity Basic Design
Long Description40MM Bore; 62MM Outside Diameter; 12MM Width; Open Enclosure; ABEC 7 | ISO P4 Precision; Ceramic Ball Material; 1 (Single) Bearing; 15 Degree Contact Angle; Phenolic Cage Material; 1 Rib Outer Ring Ra
CategoryPrecision Ball Bearings
Harmonized Tariff Code8482.10.50.28
Keyword StringBall Angular Contact
Manufacturer URL
Bore1.575 Inch | 40 Millimeter
Width0.472 Inch | 12 Millimeter
Outside Diameter2.441 Inch | 62 Millimeter
d147.1 mm
d247.1 mm
D154.9 mm
r1,2 min.0.6 mm
r3,4 min.0.3 mm
a12.9 mm
da min.43.2 mm
db min.43.2 mm
Da max.58.8 mm
Db max.60.6 mm
ra max.0.6 mm
rb max.0.3 mm
dn48.7 mm
Basic dynamic load rating C12.4 kN
Basic static load rating C08.5 kN
Fatigue load limit Pu0.36 kN
Attainable speed for grease lubrication28000 r/min
Attainable speed for oil-air lubrication40000 r/min
Ball diameter Dw6.35 mm
Number of balls z21
Reference grease quantity Gref1.44 cm³
Preload class A GA45 N
Static axial stiffness, preload class A40 N/µm
Preload class B GB90 N
Static axial stiffness, preload class B54 N/µm
Preload class C GC180 N
Static axial stiffness, preload class C73 N/µm
Preload class D GD360 N
Static axial stiffness, preload class D103 N/µm
Calculation factor f1.09
Calculation factor f11
Calculation factor f2A1
Calculation factor f2B1.07
Calculation factor f2C1.12
Calculation factor f2D1.18
Calculation factor fHC1.04
Calculation factor f010.4
Mass bearing0.1 kg

71902C-2RS-P4 Angular Contact Ball Bearing

71902C-2RS-P4 Angular Contact Ball Bearing Cad Models

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