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) |
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Bearing number | 71908 CD/HCP4A |
Size (mm) | 40x62x12 |
Bore Diameter (mm) | 40 |
Outer Diameter (mm) | 62 |
Width (mm) | 12 |
d | 40 mm |
D | 62 mm |
B | 12 mm |
C | 12 mm |
d1 | 47,1 mm |
d2 | 47,1 mm |
r1 min. | 0,6 mm |
r2 min. | 0,6 mm |
r3 min. | 0,3 mm |
r4 min. | 0,3 mm |
D1 | 54,9 mm |
D2 | 57,1 mm |
da min. | 43,2 mm |
Da max. | 58,8 mm |
db min | 43,2 mm |
ra max. | 0,6 mm |
rb max. | 0,3 mm |
dh | 48,7 mm |
Db max | 60,6 mm |
Weight | 0,1 Kg |
Basic dynamic load rating (C) | 12,4 kN |
Basic static load rating (C0) | 8,5 kN |
(Grease) Lubrication Speed | 28 000 r/min |
(Oil) Lubrication Speed | 40 000 r/min |
Fatigue load limit (Pu) | 0,36 |
Category | Precision Ball Bearings |
Inventory | 0.0 |
Manufacturer Name | SKF |
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 | 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 | High Capacity Basic Design |
Long Description | 40MM 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 |
Category | Precision Ball Bearings |
UNSPSC | 31171531 |
Harmonized Tariff Code | 8482.10.50.28 |
Noun | Bearing |
Keyword String | Ball Angular Contact |
Manufacturer URL | http://www.skf.com |
Bore | 1.575 Inch | 40 Millimeter |
Width | 0.472 Inch | 12 Millimeter |
Outside Diameter | 2.441 Inch | 62 Millimeter |
d1 | 47.1 mm |
d2 | 47.1 mm |
D1 | 54.9 mm |
r1,2 min. | 0.6 mm |
r3,4 min. | 0.3 mm |
a | 12.9 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 |
dn | 48.7 mm |
Basic dynamic load rating C | 12.4 kN |
Basic static load rating C0 | 8.5 kN |
Fatigue load limit Pu | 0.36 kN |
Attainable speed for grease lubrication | 28000 r/min |
Attainable speed for oil-air lubrication | 40000 r/min |
Ball diameter Dw | 6.35 mm |
Number of balls z | 21 |
Reference grease quantity Gref | 1.44 cm³ |
Preload class A GA | 45 N |
Static axial stiffness, preload class A | 40 N/µm |
Preload class B GB | 90 N |
Static axial stiffness, preload class B | 54 N/µm |
Preload class C GC | 180 N |
Static axial stiffness, preload class C | 73 N/µm |
Preload class D GD | 360 N |
Static axial stiffness, preload class D | 103 N/µm |
Calculation factor f | 1.09 |
Calculation factor f1 | 1 |
Calculation factor f2A | 1 |
Calculation factor f2B | 1.07 |
Calculation factor f2C | 1.12 |
Calculation factor f2D | 1.18 |
Calculation factor fHC | 1.04 |
Calculation factor f0 | 10.4 |
Mass bearing | 0.1 kg |