Needle Roller Bearing Manufacture NQ30/30 KOYO

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Needle Roller Bearing Manufacture NQ30/30 KOYO Dimensions

Bearing number:71932 ACD/P4A
Size (mm):220x160x28
Bore Diameter (mm):220
Outer Diameter (mm):160
Width (mm):28
d:160 mm
D:220 mm
B:28 mm
d1:178.5 mm
d2:178.5 mm
D1:201.5 mm
r1,2 - min.:2 mm
r3,4 - min.:1 mm
a:58.5 mm
da - min.:169 mm
db - min.:169 mm
Da - max.:211 mm
Db - max.:215 mm
ra - max.:2 mm
rb - max.:1 mm
dn:183.5 mm
Basic dynamic load rating - C:124 kN
Basic static load rating - C0:153 kN
Fatigue load limit - Pu:4.8 kN
Limiting speed for grease lubrication:5300 r/min
Limiting speed for oil lubrication:8000 mm/min
Ball - Dw:19.05 mm
Ball - z:28
Gref:33 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:800 N
Preload class B - GB:1600 N
Preload class C - GC:3200 N
Preload class D - GD:6400 N
Calculation factor - f:1.27
Calculation factor - f1:0.98
Calculation factor - f2A:1
Calculation factor - f2B:1.04
Calculation factor - f2C:1.08
Calculation factor - f2D:1.14
Calculation factor - fHC:1
Preload class A:402 N/micron
Preload class B:530 N/micron
Preload class C:710 N/micron
Preload class D:970 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 | High Capacity Basic Design
Long Description:160MM Bore; 220MM Outside Diameter; 28MM 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 Ra
UNSPSC:31171531
Harmonized Tariff Code:8482.10.50.28
Noun:Bearing
Keyword String:Ball Angular Contact
Bore:6.299 Inch | 160 Millimeter
Outside Diameter:8.661 Inch | 220 Millimeter
Width:1.102 Inch | 28 Millimeter
r1,2 min.:2 mm
r3,4 min.:1 mm
da min.:169 mm
db min.:169 mm
Da max.:211 mm
Db max.:215 mm
ra max.:2 mm
rb max.:1 mm
Basic dynamic load rating C:124 kN
Basic static load rating C0:153 kN
Fatigue load limit Pu:4.75 kN
Attainable speed for grease lubrication:5300 r/min
Attainable speed for oil-air lubrication:8000 r/min
Ball diameter Dw:19.05 mm
Number of balls z:28
Reference grease quantity Gref:33 cm³
Preload class A GA:800 N
Static axial stiffness, preload class A:402 N/µm
Preload class B GB:1600 N
Static axial stiffness, preload class B:530 N/µm
Preload class C GC:3200 N
Static axial stiffness, preload class C:710 N/µm
Preload class D GD:6400 N
Static axial stiffness, preload class D:970 N/µm
Calculation factor f:1.27
Calculation factor f1:0.98
Calculation factor f2A:1
Calculation factor f2B:1.04
Calculation factor f2C:1.08
Calculation factor f2D:1.14
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:2.7 kg

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Pioneer Machinery Source: Email[email protected]; Address13 Tuas Road Distributor Service Singapore 638512; Phone(Working Time)0065 82577418; Fax0065 82577552

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Needle Roller Bearing Manufacture NQ30/30 KOYO Dimensions

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