RU178(G) Cross Roller Bearing 115x240x28mm

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RU178(G) Cross Roller Bearing 115x240x28mm image

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RU178(G) Cross Roller Bearing 115x240x28mm Specifications

Bearing number:71902 ACD/P4A
Size (mm):28x15x7
Bore Diameter (mm):28
Outer Diameter (mm):15
Width (mm):7
d:15 mm
D:28 mm
B:7 mm
d1:18.9 mm
d2:18.9 mm
D1:23.7 mm
r1,2 - min.:0.3 mm
r3,4 - min.:0.2 mm
a:8.5 mm
da - min.:17 mm
db - min.:17 mm
Da - max.:26 mm
Db - max.:26.6 mm
ra - max.:0.3 mm
rb - max.:0.2 mm
dn:20.1 mm
Basic dynamic load rating - C:3.8 kN
Basic static load rating - C0:1.8 kN
Fatigue load limit - Pu:0.078 kN
Limiting speed for grease lubrication:50000 r/min
Limiting speed for oil lubrication:75000 mm/min
Ball - Dw:3.969 mm
Ball - z:13
Gref:0.21 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:25 N
Preload class B - GB:50 N
Preload class C - GC:100 N
Preload class D - GD:200 N
Calculation factor - f:1.05
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:40 N/micron
Preload class B:51 N/micron
Preload class C:67 N/micron
Preload class D:88 N/micron
Category:Precision Ball Bearings
Inventory:0.0
Minimum Buy Quantity:N/A
Weight / Kilogram:0.021
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 Precision
Long Description:15MM Bore; 28MM Outside Diameter; 7MM 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 Race
UNSPSC:31171531
Harmonized Tariff Code:8482.10.50.28
Noun:Bearing
Keyword String:Angular Contact Ball
Manufacturer Item Number:71902 ACD/P4A
Weight / LBS:0.046
Bore:0.591 Inch | 15 Millimeter
Width:0.276 Inch | 7 Millimeter
Outside Diameter:1.102 Inch | 28 Millimeter
r1,2 min.:0.3 mm
r3,4 min.:0.2 mm
da min.:17 mm
db min.:17 mm
Da max.:26 mm
Db max.:26.6 mm
ra max.:0.3 mm
rb max.:0.2 mm
Basic dynamic load rating C:3.77 kN
Basic static load rating C0:1.8 kN
Fatigue load limit Pu:0.078 kN
Attainable speed for grease lubrication:50000 r/min
Attainable speed for oil-air lubrication:75000 r/min
Ball diameter Dw:3.969 mm
Number of balls z:13
Reference grease quantity Gref:0.21 cm³
Preload class A GA:25 N
Static axial stiffness, preload class A:40 N/µm
Preload class B GB:50 N
Static axial stiffness, preload class B:51 N/µm
Preload class C GC:100 N
Static axial stiffness, preload class C:67 N/µm
Preload class D GD:200 N
Static axial stiffness, preload class D:88 N/µm
Calculation factor f:1.05
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:0.015 kg

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RU178(G) Cross Roller Bearing 115x240x28mm Specifications

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