Cylindrical Bearing NJ2218R KOYO - Kevin Global Machinery Parts Company

Kevin Global Machinery Parts Company: FULL COMPLEMENT TAPERED ROLLER THRUST BEARING SINGLE ROW TAPERED ROLLER BEARINGS INCH TAPERED ROLLER BEARINGS DOUBLE ROW TNA

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Cylindrical Bearing NJ2218R KOYO image

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CYLINDRICAL ROLLER BEARING Product Description

Bearing number:7209 ACD/P4A
Size (mm):85x45x19
Bore Diameter (mm):85
Outer Diameter (mm):45
Width (mm):19
d:45 mm
D:85 mm
B:19 mm
d1:57.3 mm
d2:57.3 mm
D1:72.7 mm
r1,2 - min.:1.1 mm
r3,4 - min.:0.6 mm
a:24.8 mm
da - min.:52 mm
db - min.:52 mm
Da - max.:78 mm
Db - max.:80.8 mm
ra - max.:1 mm
rb - max.:0.6 mm
dn:60.6 mm
Basic dynamic load rating - C:41 kN
Basic static load rating - C0:30 kN
Fatigue load limit - Pu:1.2 kN
Limiting speed for grease lubrication:15000 r/min
Limiting speed for oil lubrication:24000 mm/min
Ball - Dw:12.7 mm
Ball - z:14
Gref:5.922 cm3
Calculation factor - e:0.68
Calculation factor - Y2:1.41
Calculation factor - Y0:0.76
Calculation factor - X2:0.67
Calculation factor - Y1:0.92
Preload class A - GA:260 N
Preload class B - GB:520 N
Preload class C - GC:1040 N
Preload class D - GD:2080 N
Calculation factor - f:1.07
Calculation factor - f1:0.99
Calculation factor - f2A:1
Calculation factor - f2B:1.01
Calculation factor - f2C:1.02
Calculation factor - f2D:1.05
Calculation factor - fHC:1
Preload class A:146 N/micron
Preload class B:190 N/micron
Preload class C:252 N/micron
Preload class D:341 N/micron
Category:Precision Ball Bearings
Inventory:0.0
Minimum Buy Quantity:N/A
Weight / Kilogram:0
Product Group:B04270
Enclosure:Open
Precision Class:ABEC 7 | ISO P4
Material - Ball:Steel
Number of Bearings:1 (Single)
Contact Angle:25 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:45MM Bore; 85MM Outside Diameter; 19MM Width; Open Enclosure; ABEC 7 | ISO P4 Precision; Steel Ball Material; 1 (Single) Bearing; 25 Degree Contact Angle; Phenolic Cage Material; 1 Rib Outer Ring Race
UNSPSC:31171531
Harmonized Tariff Code:8482.10.50.28
Noun:Bearing
Keyword String:Ball Angular Contact
Bore:1.772 Inch | 45 Millimeter
Outside Diameter:3.346 Inch | 85 Millimeter
Width:0.748 Inch | 19 Millimeter
r1,2 min.:1.1 mm
r3,4 min.:0.6 mm
da min.:52 mm
db min.:52 mm
Da max.:78 mm
Db max.:80.8 mm
ra max.:1 mm
rb max.:0.6 mm
Basic dynamic load rating C:41 kN
Basic static load rating C0:30 kN
Fatigue load limit Pu:1.25 kN
Attainable speed for grease lubrication:15000 r/min
Attainable speed for oil-air lubrication:24000 r/min
Ball diameter Dw:12.7 mm
Number of balls z:14
Reference grease quantity Gref:5.922 cm³
Preload class A GA:260 N
Static axial stiffness, preload class A:146 N/µm
Preload class B GB:520 N
Static axial stiffness, preload class B:190 N/µm
Preload class C GC:1040 N
Static axial stiffness, preload class C:252 N/µm
Preload class D GD:2080 N
Static axial stiffness, preload class D:341 N/µm
Calculation factor f:1.07
Calculation factor f1:0.99
Calculation factor f2A:1
Calculation factor f2B:1.01
Calculation factor f2C:1.02
Calculation factor f2D:1.05
Calculation factor fHC:1
Calculation factor e:0.68
Calculation factor (single, tandem) Y2:0.87
Calculation factor (single, tandem) Y0:0.38
Calculation factor (single, tandem) X2:0.41
Calculation factor (back-to-back, face-to-face) Y1:0.92
Calculation factor (back-to-back, face-to-face) Y2:1.41
Calculation factor (back-to-back, face-to-face) Y0:0.76
Calculation factor (back-to-back, face-to-face) X2:0.67
Mass bearing:0.41 kg

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