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Home>Products>Spherical Roller Thrust Bearings>KOYO LR25X30X12,5 Roller Bearings

KOYO LR25X30X12,5 Roller Bearings MODELS

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KOYO LR25X30X12,5 Roller Bearings

KOYO LR25X30X12,5 Roller Bearings SPECIFICATIONS

Bearing number:7208 ACD/HCP4A
Size (mm):80x40x18
Bore Diameter (mm):80
Outer Diameter (mm):40
Width (mm):18
d:40 mm
D:80 mm
B:18 mm

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KOYO LR25X30X12,5 Roller Bearings Product Features

Bearing number:7208 ACD/HCP4A
Size (mm):80x40x18
Bore Diameter (mm):80
Outer Diameter (mm):40
Width (mm):18
d:40 mm
D:80 mm
B:18 mm
d1:53.3 mm
d2:53.3 mm
D1:66.7 mm
r1,2 - min.:1.1 mm
r3,4 - min.:0.6 mm
a:23.1 mm
da - min.:47 mm
db - min.:47 mm
Da - max.:73 mm
Db - max.:75.8 mm
ra - max.:1 mm
rb - max.:0.6 mm
dn:56.2 mm
Basic dynamic load rating - C:31.9 kN
Basic static load rating - C0:22.8 kN
Fatigue load limit - Pu:0.98 kN
Limiting speed for grease lubrication:19000 r/min
Limiting speed for oil lubrication:32000 mm/min
Ball - Dw:11.112 mm
Ball - z:14
Gref:4.725 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:200 N
Preload class B - GB:400 N
Preload class C - GC:800 N
Preload class D - GD:1600 N
Calculation factor - f:1.05
Calculation factor - f1:0.99
Calculation factor - f2A:1
Calculation factor - f2B:1.01
Calculation factor - f2C:1.03
Calculation factor - f2D:1.06
Calculation factor - fHC:1.01
Preload class A:141 N/micron
Preload class B:183 N/micron
Preload class C:242 N/micron
Preload class D:326 N/micron
Category:Precision Ball Bearings
Inventory:0.0
Minimum Buy Quantity:N/A
Weight / Kilogram:0.359
Product Group:B00308
Enclosure:Open
Precision Class:ABEC 7 | ISO P4
Material - Ball:Ceramic
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:40MM Bore; 80MM Outside Diameter; 18MM Width; Open Enclosure; ABEC 7 | ISO P4 Precision; Ceramic 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:1.575 Inch | 40 Millimeter
Outside Diameter:3.15 Inch | 80 Millimeter
Width:0.709 Inch | 18 Millimeter
r1,2 min.:1.1 mm
r3,4 min.:0.6 mm
da min.:47 mm
db min.:47 mm
Da max.:73 mm
Db max.:75.8 mm
ra max.:1 mm
rb max.:0.6 mm
Basic dynamic load rating C:31.9 kN
Basic static load rating C0:22.8 kN
Fatigue load limit Pu:0.98 kN
Attainable speed for grease lubrication:19000 r/min
Attainable speed for oil-air lubrication:32000 r/min
Ball diameter Dw:11.112 mm
Number of balls z:14
Reference grease quantity Gref:4.725 cm³
Preload class A GA:200 N
Static axial stiffness, preload class A:141 N/µm
Preload class B GB:400 N
Static axial stiffness, preload class B:183 N/µm
Preload class C GC:800 N
Static axial stiffness, preload class C:242 N/µm
Preload class D GD:1600 N
Static axial stiffness, preload class D:326 N/µm
Calculation factor f:1.05
Calculation factor f1:0.99
Calculation factor f2A:1
Calculation factor f2B:1.01
Calculation factor f2C:1.03
Calculation factor f2D:1.06
Calculation factor fHC:1.01
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:0.33 kg

KOYO LR25X30X12,5 Roller Bearings pdf

KOYO LR25X30X12,5 Roller Bearings Code system

SKF 24132 CC/C3W513 Roller Bearings	Category:Flange Block; Inventory:0.0; Minimum Buy Quantity:N/A; Weight:4.99; Product Group:M06288; Number of Mounting Holes:4; Mounting Method:Concentric Collar; Housing Style:4 Bolt Square Flange Block; Rolling Element:Spherical Roller Bearing; Housing Material:Cast Steel; Expansion / Non-expansion:Expansion; Mounting Bolts:1/2 Inch; Relubricatable:Yes; Insert Part Number:22209; Seals:Double Lip Viton;
NSK 18690R/18620R Roller Bearings	Category:Pillow Block; Inventory:0.0; Minimum Buy Quantity:N/A; Weight:1.397; Product Group:M06110; Number of Mounting Holes:2; Mounting Method:Eccentric Collar; Housing Style:2 Bolt Pillow Block; Rolling Element:Ball Bearing; Housing Material:Cast Iron; Expansion / Non-expansion:Non-expansion; Mounting Bolts:1/2 Inch; Relubricatable:Yes; Insert Part Number:YG218NL; Seals:Single Lip Contact; Housing Configuration:1 Piece Solid;
FAG BEARING L539553-J22NA Roller Bearings	Category:Pillow Block; Inventory:0.0; Minimum Buy Quantity:N/A; Weight:10.442; Product Group:M06288; Number of Mounting Holes:2; Mounting Method:Eccentric Collar; Housing Style:2 Bolt Pillow Block; Rolling Element:Spherical Roller Bearing; Housing Material:Cast Steel; Expansion / Non-expansion:Expansion; Mounting Bolts:3/4 Inch; Relubricatable:Yes; Insert Part Number:22215; Seals:Triple Lip Nitrile Rubber;
TIMKEN 37425-90020 Tapered Roller Bearing Assemblies	Category:Flange Block; Inventory:0.0; Minimum Buy Quantity:N/A; Weight:10.442; Product Group:M06288; Number of Mounting Holes:4; Mounting Method:Tapered Adapter Sleeve; Housing Style:4 Bolt Round Flange Cartridge; Rolling Element:Spherical Roller Bearing; Housing Material:Cast Steel; Expansion / Non-expansion:Expansion; Mounting Bolts:7/16 Inch; Relubricatable:Yes; Insert Part Number:22209; Seals:Triple Lip Nitrile Rubber;
TIMKEN L812148-90010 Tapered Roller Bearing Assemblies	Category:Plain Bearings; Inventory:0.0; Minimum Buy Quantity:N/A; Weight:0.006; Product Group:B04264;
TIMKEN 543-3 Tapered Roller Bearings	Category:Flange Block; Inventory:0.0; Minimum Buy Quantity:N/A; Weight:10.442; Product Group:M06288; Number of Mounting Holes:4; Mounting Method:Tapered Adapter Sleeve; Housing Style:4 Bolt Round Flange Cartridge; Rolling Element:Spherical Roller Bearing; Housing Material:Cast Steel; Expansion / Non-expansion:Expansion; Mounting Bolts:7/16 Inch; Relubricatable:Yes; Insert Part Number:22209; Seals:Triple Lip Nitrile Rubber;
SKF NJ 320 ECMRD/C4VA301 Roller Bearings	Category:Pillow Block; Inventory:0.0; Minimum Buy Quantity:N/A; Weight:56.296; Product Group:M06288; Number of Mounting Holes:4; Mounting Method:Eccentric Collar; Housing Style:4 Bolt Pillow Block; Rolling Element:Spherical Roller Bearing; Housing Material:Cast Steel; Expansion / Non-expansion:Non-expansion; Mounting Bolts:1 Inch; Relubricatable:Yes; Insert Part Number:22226; Seals:Triple Lip Viton;
FAG BEARING NJ232-E-M1 Cylindrical Roller Bearings	Category:Flange Block; Inventory:0.0; Minimum Buy Quantity:N/A; Weight:15.89; Product Group:M06288; Number of Mounting Holes:4; Mounting Method:V Lock; Housing Style:4 Bolt Square Flange Block; Rolling Element:Spherical Roller Bearing; Housing Material:Cast Steel; Expansion / Non-expansion:Expansion; Mounting Bolts:1 Inch; Relubricatable:Yes; Insert Part Number:22222; Seals:Triple Lip Nitrile Rubber;
TIMKEN 39433-3 Tapered Roller Bearings	Category:Mounted Units & Inserts; Inventory:0.0; Minimum Buy Quantity:N/A; UNSPSC:31171501; Weight:4.99; Product Group:M06288;
NTN NK110/30R Roller Bearings	Category:Pillow Block; Inventory:0.0; Minimum Buy Quantity:N/A; Weight:11.804; Product Group:M06288; Number of Mounting Holes:2; Mounting Method:Eccentric Collar; Housing Style:2 Bolt Pillow Block; Rolling Element:Spherical Roller Bearing; Housing Material:Cast Steel; Expansion / Non-expansion:Non-expansion; Mounting Bolts:16 Millimeter; Relubricatable:Yes; Insert Part Number:22210; Seals:Double Lip Nitrile Rubber;
FAG BEARING 517395D Roller Bearings	Category:Flange Block; Inventory:0.0; Minimum Buy Quantity:N/A; Weight:10.442; Product Group:M06288; Number of Mounting Holes:4; Mounting Method:Tapered Adapter Sleeve; Housing Style:4 Bolt Round Flange Cartridge; Rolling Element:Spherical Roller Bearing; Housing Material:Cast Steel; Expansion / Non-expansion:Expansion; Mounting Bolts:7/16 Inch; Relubricatable:Yes; Insert Part Number:22209; Seals:Triple Lip Nitrile Rubber;
TIMKEN 495-90017 Tapered Roller Bearing Assemblies	Category:Pillow Block; Inventory:0.0; Minimum Buy Quantity:N/A; Weight:17.706; Product Group:M06288; Number of Mounting Holes:2; Mounting Method:Eccentric Collar; Housing Style:2 Bolt Pillow Block; Rolling Element:Spherical Roller Bearing; Housing Material:Cast Steel; Expansion / Non-expansion:Non-expansion; Mounting Bolts:7/8 Inch; Relubricatable:Yes; Insert Part Number:22218; Seals:Triple Lip Nitrile Rubber;

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