Bearing GK14X18X16.8 NTN - Boyal Industrial Pte ltd.

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Bearing GK14X18X16.8 NTN image

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Specifications for Needle Roller Bearings

Bearing number:71905 ACD/P4A
Size (mm):42x25x9
Bore Diameter (mm):42
Outer Diameter (mm):25
Width (mm):9
d:25 mm
D:42 mm
B:9 mm
d1:30.6 mm
d2:30.6 mm
D1:36.4 mm
r1,2 - min.:0.3 mm
r3,4 - min.:0.2 mm
a:12.4 mm
da - min.:27 mm
db - min.:27 mm
Da - max.:40 mm
Db - max.:40.6 mm
ra - max.:0.3 mm
rb - max.:0.2 mm
dn:31.8 mm
Basic dynamic load rating - C:6.4 kN
Basic static load rating - C0:3.8 kN
Fatigue load limit - Pu:0.16 kN
Limiting speed for grease lubrication:32000 r/min
Limiting speed for oil lubrication:48000 mm/min
Ball - Dw:4.762 mm
Ball - z:18
Gref:0.54 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:40 N
Preload class B - GB:80 N
Preload class C - GC:160 N
Preload class D - GD:320 N
Calculation factor - f:1.07
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:60 N/micron
Preload class B:78 N/micron
Preload class C:101 N/micron
Preload class D:134 N/micron
Category:Precision Ball Bearings
Inventory:0.0
Minimum Buy Quantity:N/A
Weight / Kilogram:0.043
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:25MM Bore; 42MM Outside Diameter; 9MM 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 Racew
UNSPSC:31171531
Harmonized Tariff Code:8482.10.50.28
Noun:Bearing
Keyword String:Ball Angular Contact
Width:0.354 Inch | 9 Millimeter
Bore:0.984 Inch | 25 Millimeter
Outside Diameter:1.654 Inch | 42 Millimeter
r1,2 min.:0.3 mm
r3,4 min.:0.2 mm
da min.:27 mm
db min.:27 mm
Da max.:40 mm
Db max.:40.6 mm
ra max.:0.3 mm
rb max.:0.2 mm
Basic dynamic load rating C:6.37 kN
Basic static load rating C0:3.8 kN
Fatigue load limit Pu:0.16 kN
Attainable speed for grease lubrication:32000 r/min
Attainable speed for oil-air lubrication:48000 r/min
Ball diameter Dw:4.762 mm
Number of balls z:18
Reference grease quantity Gref:0.54 cm³
Preload class A GA:40 N
Static axial stiffness, preload class A:60 N/µm
Preload class B GB:80 N
Static axial stiffness, preload class B:78 N/µm
Preload class C GC:160 N
Static axial stiffness, preload class C:101 N/µm
Preload class D GD:320 N
Static axial stiffness, preload class D:134 N/µm
Calculation factor f:1.07
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:0.042 kg

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