NTN BEARING MFG.CORP
NTN BEARING MFG.CORP
KAWASAKI WA Series Pump   NACHI IPH Double Gear Pump   NACHI IPH Series Gear Pump  
  • Home
  • Product Categories
    • KAWASAKI WA Series Pump
    • NACHI IPH Double Gear Pump
    • NACHI IPH Series Gear Pump
    • NACHI Piston Pump
    • NACHI PVS Series Piston Pump
    • NACHI PZS Series Piston Pump
    • NACHI VDC Series Vane Pump
    • NACHI VDR Series Vane Pump
    • NACHI VDS Series Vane Pump
    • AMI Bearing
    • QM INDUSTRIES Bearing
    • REXNORD Bearing
    • SEALMASTER Bearing
    • SKF Bearing
    • TIMKEN Bearing
    • REXROTH HY-CHECK VALVE
    • REXROTH Throttle valves
    • REXROTH Valves
    • REXROTH Twin throttle check valve
    • REXROTH Pressure relief valve
    • REXROTH Throttle check valves
    • REXROTH Throttle check valve
    • REXROTH Directional spool valves
    • REXROTH Check valves
    • REXROTH Directional poppet valves
    • REXROTH Pressure reducing valve
  • Company Profile
    • Company Introduction
  • Technical Articles
  • Contact Us

Home>Products>SKF Bearing>0.669 Inch | 17 Millimeter x 1.181 Inch | 30 Millimeter x 0.551 Inch | 14 Millimeter SKF B/SEB177CE1DDL Precision Ball Bearings

English
English
  • 0.669 Inch | 17 Millimeter x 1.181 Inch | 30 Millimeter x 0.551 Inch | 14 Millimeter SKF B/SEB177CE1DDL Precision Ball Bearings
  • 0.669 Inch | 17 Millimeter x 1.181 Inch | 30 Millimeter x 0.551 Inch | 14 Millimeter SKF B/SEB177CE1DDL Precision Ball Bearings
  • 0.669 Inch | 17 Millimeter x 1.181 Inch | 30 Millimeter x 0.551 Inch | 14 Millimeter SKF B/SEB177CE1DDL Precision Ball Bearings
  • 0.669 Inch | 17 Millimeter x 1.181 Inch | 30 Millimeter x 0.551 Inch | 14 Millimeter SKF B/SEB177CE1DDL Precision Ball Bearings

0.669 Inch | 17 Millimeter x 1.181 Inch | 30 Millimeter x 0.551 Inch | 14 Millimeter SKF B/SEB177CE1DDL Precision Ball Bearings

  • Browse 0.669 Inch | 17 Millimeter x 1.181 Inch | 30 Millimeter x 0.551 Inch | 14 Millimeter SKF B/SEB177CE1DDL Precision Ball Bearings Categories 202.610 kN Oil in NTN BEARING MFG.CORP the Manufacturers Online Free. including SKF Bearing. 0.669 Inch | 17 Millimeter x 1.181 Inch | 30 Millimeter x 0.551 Inch | 14 Millimeter

  • What is B/SEB177CE1DDL bearing cross reference？

  • SKF

  • B/SEB177CE1DDL

  • 1 000 min-1
  • 2310 kN
  • 202.610 kN
  • 92 mm
  • 1260 kN
  • 240 mm
  • 360 mm
  • 3 mm
Contact NowChat Now
NTN BEARING MFG.CORP

NTN BEARING MFG.CORPChina

  • NTN BEARING MFG.CORP2020-07-10 09:46:19
    Welcome to my shop! Glad to serve you! Please send your question!
Price Inspection Certificate Product Specifications Company Profile

0.669 Inch | 17 Millimeter x 1.181 Inch | 30 Millimeter x 0.551 Inch | 14 Millimeter SKF B/SEB177CE1DDL Precision Ball BearingsProducts and services

with cylindrical bore: 1 000 min-1 Grease: 2310 kN Oil: 202.610 kN
B: 92 mm Pu: 1260 kN d: 240 mm
D: 360 mm rs (min): 3 mm Dynamic (Cr): 7.5 mm
Static (Cor): 13.9 mm Size (mm): 0.669 Inch | 17 Millimeter x 1.181 Inch | 30 Millimeter x 0.551 Inch | 14 Millimeter
0.669 Inch | 17 Millimeter x 1.181 Inch | 30 Millimeter x 0.551 Inch | 14 Millimeter SKF B/SEB177CE1DDL Precision Ball Bearings pdf

0.669 Inch | 17 Millimeter x 1.181 Inch | 30 Millimeter x 0.551 Inch | 14 Millimeter SKF B/SEB177CE1DDL Precision Ball BearingsSystems

d160 mm
Oil126.980 kN
B86 mm
D270 mm
rs (min)2.1 mm
with tapered bore1 400 min-1
Dynamic (Cr)6 mm
Static (Cor)11.1 mm
Pu817 kN
with cylindrical bore1 100 min-1

Enjoy High Margins on CompetitiveSKF BearingPricing.Great Wholesale Products at Low Costs.


  • SKF 220SF Single Row Ball Bearings

    Basic Dynamic Radial Load Rating C:174000 N; d:100.000 mm; Basic Static Radial Load Rating Co:140000 N; Oil Speed Rating Open/Shielded n2:3600 rpm; Grease Speed Rating n1:3000 rpm; D:215.0000 mm; Oil Speed Rating n2:3600 rpm; Fillet Radius ra:2.50 mm; Grease Speed Rating Open/Shielded n1:3000 rpm; A
    Read More ...

  • SKF 71922 ACDGA/VQ253 Angular Contact Ball Bearings

    A2:276.225 mm; P180°:160 kN; RG:1 NPT; PosiTrac Plus contact element:2 x B10724-167; h:57.15 mm; Eye bolt:2 x 1/2-13 UNC; Mass pillow block:214 kg; P120°:151 kN; Stabilizing ring:2 x 36053-140; Initial grease fill:1672.65 g;
    Read More ...

  • SKF SAKAC 5 M Spherical Plain Bearings - Rod Ends

    Basic Static Radial Load Rating Co:65500 N; d:40.000 mm; Fillet Radius ra:1.50 mm; Basic Dynamic Radial Load Rating C:67100 N; Sealed Speed Rating n3:5000 rpm; D:90.0000 mm; Accessories:Two Seals; Grease Speed Rating n1:5000 rpm; Oil Speed Rating n2:6700 rpm; B:36.50 mm;
    Read More ...

  • SKF 7214 CDGA/P4A Precision Ball Bearings

    Fillet Radius ra:1.00 mm; B:25.40 mm; Keyway e:16.4 mm; Oil Mist Speed Rating Max. n3:60000 rpm; Preload:0 lb; Oil Speed Rating Max. n2:40000 rpm; d:15.880 mm; Grease Speed Rating Max. n1:35000 rpm; D:38.1000 mm; Keyway f:1.6 mm;
    Read More ...

  • SKF R12ZZ Single Row Ball Bearings

    J max.:180.975 mm; Basic dynamic load rating C:84.5 kN; A1:80.169 mm; J min.:174.625 mm; A:63.5 mm; da:50.8 mm; B:73.025 mm; H1:57.15 mm; Mass bearing unit:4.76 kg; Attachment bolt diameter G:15.875 mm;
    Read More ...

  • SKF 230/600 CAK/HA3C084W33 Spherical Roller Bearings

    Fillet Radius ra:1.50 mm; Oil Speed Rating Open/Shielded n2:5300 rpm; Sealed Speed Rating n3:2800 rpm; Grease Speed Rating Open/Shielded n1:4500 rpm; Basic Dynamic Radial Load Rating C:63700 N; d:95.000 mm; D:145.0000 mm; B:24.00 mm; Accessories:Seal & Snap-Ring; Basic Static Radial Load Rating Co:5
    Read More ...

  • SKF 6304/C2 Single Row Ball Bearings

    d:40.000 mm; Grease Speed Rating n1:5000 rpm; Basic Dynamic Radial Load Rating C:49400 N; B:36.50 mm; Fillet Radius ra:1.50 mm; Basic Static Radial Load Rating Co:41500 N; Oil Speed Rating n2:6700 rpm; D:90.0000 mm;
    Read More ...

  • SKF NU 317 ECM/C3 Cylindrical Roller Bearings

    d:260 mm; Calculation factor e:0.31; ra max.:5 mm; Fatigue load limit Pu:325 kN; Calculation factor Y0:2.2; Reference speed:850 r/min; Basic static load rating C0:4550 kN; Calculation factor Y1:2.2; D:540 mm; Da max.:514 mm;
    Read More ...

  • SKF SYR 2.1/2 H-18 Pillow Block Bearings

    PG:1/4 NPT; J max.:333.375 mm; R1:66.675 mm; J min.:295.275 mm; Adapter sleeve assembly:SNW 117x2.7/8; Appropriate attachment bolt size G:0.75 in; Ca:69.799 mm; Housing:FSAF 617; A2:171.45 mm; A1:111.125 mm;
    Read More ...

  • SKF 7021 CD/P4ADGC Precision Ball Bearings

    α:124 °; Permissible sliding velocity v max.:0.5 m/s; B:240 mm; a:12 mm; Mass bushing:12 kg; D:190 mm; Tolerance shaft:e7; Specific static load factor K0:45 N/mm²; h:172 mm; Specific dynamic load factor K:25 N/mm²;
    Read More ...

  • SKF 2308 ETN9 Self Aligning Ball Bearings

    rs (min):2 mm; B:56 mm; d:110 mm; Grease:541 kN; Dynamic (Cr):4.5 mm; Oil:59.020 kN; Static (Cor):8.3 mm; Pu:354 kN; D:180 mm; with tapered bore:2 000 min-1;
    Read More ...

  • SKF 7017 CD/DBBVQ253 Angular Contact Ball Bearings

    B:20.00 mm; d:75.000 mm; Basic Static Radial Load Rating Co:35500 N; Accessories:Seal & Snap-Ring; Grease Speed Rating Open/Shielded n1:5600 rpm; Oil Speed Rating Open/Shielded n2:6700 rpm; Fillet Radius ra:1.00 mm; Sealed Speed Rating n3:3400 rpm; D:115.0000 mm; Basic Dynamic Radial Load Rating C:4
    Read More ...

  • SKF 608-2RSH/LHT23 Single Row Ball Bearings

    Fatigue load limit Pu:43 kN; Shaft washer:WS 89309; Eb:83 mm; d:45 mm; Mass roller and cage thrust assembly:0.12 kg; Ea:49 mm; Roller and cage thrust assembly:K 89309 TN; D:85 mm; Limiting speed:3600 r/min; Dw:7.5 mm;
    Read More ...

  • SKF QJ 1021 N2MA/C4B20 Angular Contact Ball Bearings

    Fillet Radius ra:1.50 mm; D:110.0000 mm; B:22.00 mm; Basic Static Radial Load Rating Co:12200 N; Basic Dynamic Radial Load Rating C:31200 N; Oil Speed Rating n2:6700 rpm; d:60.000 mm; Grease Speed Rating n1:5600 rpm;
    Read More ...

  • SKF 6314 JEM Single Row Ball Bearings

    Basic Dynamic Radial Load Rating C156000 NFillet Radius rb1.00 mmFillet Radius ra2.00 mmBasic Static Radial Load Rating Co190000 ND160.0000 mmOil Speed Rating n23800 rpmGrease Speed Rating n13100 rpmd100.000 mmB56.00 mm
    Read More ...

 

What SKF Bearingare you looking for?
FTbUhDNd
R12ZZ - - - - - - - -
7214 CDGA/P4A - - - - - 38.1000 mm - 15.880 mm
7017 CD/DBBVQ253 - - - - - 115.0000 mm - 75.000 mm
2308 ETN9 - - - - - 180 mm - 110 mm
SYR 2.1/2 H-18 - - - - - - - -
7021 CD/P4ADGC - - - - 172 mm190 mm - -
608-2RSH/LHT23 - - - - - 85 mm - 45 mm
220SF - - - - - 215.0000 mm - 100.000 mm
QJ 1021 N2MA/C4B20 - - - - - 110.0000 mm - 60.000 mm
230/600 CAK/HA3C084W33 - - - - - 145.0000 mm - 95.000 mm
6304/C2 - - - - - 90.0000 mm - 40.000 mm
6314 JEM - - - - - - - -
71922 ACDGA/VQ253 - - - - 57.15 mm - - -
SAKAC 5 M - - - - - 90.0000 mm - 40.000 mm
NU 317 ECM/C3 - - - - - 540 mm - 260 mm
6313 NRJEM - - - - - 140.0000 mm - 55.000 mm
51192 F - - - - - - - -
7024 ACD/P4ATBTALT20F1 - - - - - 47.0000 mm - 20.000 mm
51248 M - - - - - 200.0000 mm - 160.000 mm
7303DU - - - - - 310.0000 mm - 170.000 mm
7006 CDGA/HCP4A - - - - - 39 mm - 35 mm
2308 EKTN9 - - - - - 120.0000 mm - 55.000 mm
SIA 60 ES-2RS - - - - - 580 mm - 340 mm
NJ 322 ECJ/C3 - - - - - - - -
NU 320 ECM - - - - - 72.0000 mm - 35.000 mm
GS 81206416 mm - - - - 620 mm - 340 mm
6306/C4W64 - - - - - - - -
FSYE 2.1/2 - - 60 mm - - - - -
SIKAC 6 M - - 70 mm - 38 mm - - -
6001-2Z/C3VT127 - - - - - 520.0000 mm - 380.000 mm
YAR 209-112-2F - - - - - - - 480 mm
5305MZZG - - - - - - - 69.850 mm
6208-2Z/C4VA2101 - - - - - 35.0000 mm - 17.000 mm
7011 CE/DBBVQ25380 mm - - - - - - 70 mm
NJ 230 ECM/C4 - - - - - 85.0000 mm - 60.000 mm
3309 A-2Z/C3MT33 - - - - - 260.0000 mm - 170.000 mm
3208 A-2Z - - - - - - - 190 mm
7009 CD/HCP4ADT - - 8.3 mm - - - - -
111KSG - - - - - 24 mm - 20 mm
234412 TN9/SP - - - - - - - 63.5 mm
23232 CCK/C4W33 - - - - - - - 36.512 mm
6201 2ZJEM - - - - - - - -
B/EX857CE3DDM - - - - - 90.0000 mm - 30.000 mm
230/530 CAK/C4W33 - - - - - - - -
7204 BEGAP - - - - - - - -
302SFF - 317.5 mm - - - - - -
7018 CDT/P4APBCG8 - - - - - 265.0000 mm - 100.000 mm
6314 TC/C782 - - - - - 250 mm - 150 mm
6305-2RS1/C3W64 - - - - - - - 100 mm
6206-2RS1/C3LTVT210 - - - - - 210 mm - 130 mm
6003-Z/MT33 - - - - - 230.0000 mm - 130.000 mm
NU 2260 MA/C3 - - - - - - - 300 mm
6211-2Z/GJN - - - - - 210 mm - -
7309 BEGBY - - - - - - - -
FYRP 1.1/2 - - - - - - - 420 mm
B/SEB857CE1DDM - 254 mm - - - - - 343.052 mm
B/EX177CE3UL - - - - - - - -
B/EX307CE3UM - - - - - - - -
GEZ 100 ES-2RS - - - - - - - 50 mm
B/VEX407CE1UL - - - - - 160.0000 mm - 100.000 mm
B/SEB807CE1DDL - - - - - 130.0000 mm - 75.000 mm
7020 ACEGA/P4A - - - - - - - 50 mm
71916 ACD/P4AQBCB - - - - - - - 140 mm
6204-2RSH/C2 - - - - - 170 mm - -
6204/MT4720 mm - - - - - - 15 mm
S7017 CD/P4ADBB - - - - - 170.0000 mm - 95.000 mm
1922RDS-BKE 7 - - - - - - - -
6306-2RS1/C3 - - - - - - - -
6211-2RS1/W64 - - - - 38.1 mm - - -
23968 CC/W33 - - - - - - - 250 mm
6214-2Z/C4VT127 - - - - - - - -
100KS - - - - - - - -
322MG - - - - - 100.0000 mm - 35.000 mm
NATR 15 PPA - - - - - 100.0000 mm - 55.000 mm
SYE 1.15/16 NH - - - - - 160.3000 mm - 88.903 mm
608-2Z/HC5C3GWP - - - - - 100.0000 mm - 55.000 mm
23148 CCK/C4W33 - - - - - - - -
E10 - - - - 20.904 mm - - -
6308-2RS1/C3GJN - - - - - 170.0000 mm - 95.000 mm
23260 CAC/C083W507 - - - - - 230.0000 mm - 130.000 mm
7006 CD/P4AQBCA - - - - - - - 240 mm
6206-2RS2/C3GWP - - - - - 225.0000 mm - 150.000 mm
23132 CCK/W33 - - - - - - - -
6307 TN9/C4 - - - - - 1220 mm - -
71892 AMB/P5 - - - - - 52.0000 mm - 20.000 mm
1211 EKTN9/C3W64 - - - 16 mm - - - -
7013 CDGB/P4A - - 6 mm - - - - -
320S555-HYB 1 - - 6 mm - 2.5 mm - - -
6005-2Z/LHT23 - - - - - 270 mm - 160 mm
308SZZ-HYB 1 - - - - - 760 mm - 420 mm
6304 N/C3 - - - - - - - -
71907 CDGA/HCP4A - - - - - 52.0000 mm - 25.000 mm
6009 NR - - - - - 52.0000 mm - 20.000 mm
6060 M/C3 - - - - 69.85 mm - - -
71940 ACD/P4ATBTA - - - - - 736.6 mm - 558.8 mm
2305 E-2RS1TN9/C3499 mm - - - - 680 mm - -
S71916 ACD/HCP4ADGA - - - - - 760 mm - 460 mm
R3 - - - - - 420.0000 mm - 230.000 mm
6203-RS1/MT - - - - - - - -
71911 CDGA/P4A - - - - - 62.0000 mm - 30.000 mm
7013 ACD/P4AQBTB - - - - - - - -
7212 BEGAF - - - - - 72.0000 mm - 35.000 mm
38ZZST - - - - 265 mm - - 70 mm
6304 NR/C4 - - - - - - - -
W 628/4-2Z - 45.6 mm - - - - 12.3 mm -
B/SEB177CE1DDL - - - - - 360 mm - 240 mm
234430 BM1/SP - - - - - - - -
3304 A/C3 - - - 17 mm - - - -
22224 E/C3 - - - - - 110.0000 mm - 60.000 mm
FYRP 2.7/16 H-18 - - - - - 120.0000 mm - 55.000 mm
6203-2RSL/C3GJN110 mm - - - - - - 95 mm
22215 EK/C3 - - - - - 215.0000 mm - 120.000 mm
7002 CD/P4ADGC48 mm - - - - - - 40 mm
6312-2Z/C3 - - 4.2 mm - - - - -
7008 CD/P4ADGC - - - - 61.913 mm - - -
3206 ATN9/W64 - - - - - 8 mm - 2.5 mm
NJ 309 ECJ - - 22.3 mm - - 1090 mm - -
5309MF1 - - - - - 760 mm - -
6314 MC/P52 - - 40 mm - 20 mm - - -
GE 180 TXA-2RS - - - - - 150.0000 mm - 70.000 mm
FYT 1.5/8 WF - - - - - - - -
6320-2Z/C3GJN - - - - - 19 mm - 5 mm
2222 M - - - - - 125 mm - 80 mm
7005 CDGB/VQ499 - - - - - - - -
310MF - - 13.9 mm - - 480 mm - 320 mm
24064 CC/W33 - - - - - 42.0000 mm - 20.000 mm
71915 ACEGA/HCP4A - - - - - 100 mm18 mm -
FY 1.7/16 PF/AH - - - - - 320 mm - 160 mm
6009-2Z NR - - - - - - - -
QJ 211 N2MA/C2H - - - - - 240.0000 mm - -
3311 A-2RS1/C3 - - - - - - - -
209 NR/C3 - - - - - 215.0000 mm - 100.000 mm
BSD 4072 CGA - - - - 192 mm - - 190 mm
6205 2ZJEM - - - - - 110 mm - 50 mm
B/SEB177CE3TDM - - - - - - - -

Contact Us

NTN BEARING MFG.CORP
Address346 North Bower Road, Macomb, IL 61255-2501 U.S.A.
Phone(Working Time)137-837-7374
Fax
  • NTN BEARING MFG.CORP
    • Quick question Quick question I'm very interested in your products; could you send me some detail reference information? Please send me detail product specification, thank you! May I be an agency of your products,and what's yourterms? We intend to purchase this product, would you please send me the quotation and minimum order quantity?
     This feature is Quick question function, select the corresponding question types, automatically enter the corresponding problem, remove your trouble of typing
Send Now

Related News

850x1120x200 bearing cad model
FAG 239/850-K-MB bearing - TIMKEN bearing logoOriginal FAG 239/850-K-MB bearing. 850x1120x200. Bearing Introduction. FAG 239/850K.MB+AH39/850 bearing very light in Denmark are widely used in  Original TIMKEN 239/850YMB bearing -...
140x100x20 bearing size pdf file
SKF|71920 ACE/HCP4A|Bearings|ball bearingThe size specification of SKF 71920 ACE/HCP4A Angular Contact Ball Bearings is 140x100x20(mm), SKF 71920 ACE/HCP4A bearing can measure the  MR6804-ZZ bearing - BEARINGSMR6804-ZZ bearing,MR6804-ZZ is...
16x32x21 bearing dimensions
Bearing GEBJ16S (LS) | Size and Specification | BearingsRadial spherical plain bearings GEBJ16S. Bearing number : GEBJ16S. Size (mm) : 16x32x21. Brand : LS. Bore Diameter (mm) : 16. Outer Diameter (mm) : 32 GE16PB bearing, Radial spherical plain...

Product Categories

  • KAWASAKI WA Series Pump
  • NACHI IPH Double Gear Pump
  • NACHI IPH Series Gear Pump
  • NACHI Piston Pump
  • NACHI PVS Series Piston Pump
  • NACHI PZS Series Piston Pump
  • NACHI VDC Series Vane Pump
  • NACHI VDR Series Vane Pump
  • NACHI VDS Series Vane Pump
  • AMI Bearing
  • QM INDUSTRIES Bearing
  • REXNORD Bearing
  • SEALMASTER Bearing
  • SKF Bearing
  • TIMKEN Bearing
  • REXROTH HY-CHECK VALVE
  • REXROTH Throttle valves
  • REXROTH Valves
  • REXROTH Twin throttle check valve
  • REXROTH Pressure relief valve
  • REXROTH Throttle check valves
  • REXROTH Throttle check valve
  • REXROTH Directional spool valves
  • REXROTH Check valves
  • REXROTH Directional poppet valves
  • REXROTH Pressure reducing valve
More

New Products

  • 2.165 Inch | 55 Millimeter x 4.724 Inch | 120 Millimeter x 1.937 Inch | 49.2 Millimeter SKF 3311 A-2RS1/C3 Angular Contact Ball Bearings
  • 320 mm x 480 mm x 160 mm SKF 24064 CC/W33 Spherical Roller Bearings
  • 110 mm x 200 mm x 53 mm SKF 2222 M Self Aligning Ball Bearings
  • 45 mm x 100 mm x 25 mm SKF NJ 309 ECJ Cylindrical Roller Bearings
  • SKF 6312-2Z/C3 Single Row Ball Bearings

Top Products

NACHI IPH-66B-100-125-11 IPH Double Gear Pump KAWASAKI 705-40-01041 WA Series Pump TIMKEN HM261049-90079 Tapered Roller Bearing Assemblies
SKF 6205 2ZJEM Single Row Ball Bearings Timken 33281 Bearing
  • About Us|
  • Contact Us|
  • Site Map
  • Sitemaps

NTN BEARING MFG.CORP. Copyright © 2017 - 2020 All Rights Reserved.

  • Home
  • Product Categories
    • KAWASAKI WA Series Pump
    • NACHI IPH Double Gear Pump
    • NACHI IPH Series Gear Pump
    • NACHI Piston Pump
    • NACHI PVS Series Piston Pump
    • NACHI PZS Series Piston Pump
    • NACHI VDC Series Vane Pump
    • NACHI VDR Series Vane Pump
    • NACHI VDS Series Vane Pump
    • AMI Bearing
    • QM INDUSTRIES Bearing
    • REXNORD Bearing
    • SEALMASTER Bearing
    • SKF Bearing
    • TIMKEN Bearing
    • REXROTH HY-CHECK VALVE
    • REXROTH Throttle valves
    • REXROTH Valves
    • REXROTH Twin throttle check valve
    • REXROTH Pressure relief valve
    • REXROTH Throttle check valves
    • REXROTH Throttle check valve
    • REXROTH Directional spool valves
    • REXROTH Check valves
    • REXROTH Directional poppet valves
    • REXROTH Pressure reducing valve
  • Company Profile
    • Company Introduction
  • Technical Articles
  • Contact Us