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+++厦门仲鑫航自动化设备有限公司
Xiamen Zhong Xinhang automation equipment Co., Ltd.
电主：郑娟萍 ：0 5 9 2 -5 1 7 3 2 7 9
F：0 5 9 2- 5 1 6 5 5 6 1 Q：2 7 7 3 7 3 4 0 8 8
邮 箱: 2773734088 ***公司：http://www.zxdadsqc。。ｃｏｍ/
地 址：福建省厦门市思明区湖滨四里64号（湖光大厦）第八层A座
【质量保障】【品牌大众】【确保*】【*】
【库存多多】现货多多】【马上来电】【人人都有】
便宜没好货 但在我们这 好货就是比其他家的便宜
由于公司的产众多，无法一一列出，所以以下只是本公司的部分产品型号：
NEW HUB CITY INSERT BEARING B250 X 1-3/8 B250X1-3/8 1-3/8" BORE
FAG Single Sealed Side Radial Roller Ball Bearing 6210ZR.C3 6210ZRC3 6210 C3 New
NEW NACHI BEARING 6020NS
NEW MRC BEARING 107 S 107S
NEW MRC DOUBLE ROW BALL BEARING 5316
NEW INA 2 BOLT FLANGE BEARING W/COLLAR 01CJTZ06 GE 30 KRRB C10 09 GE30KRRBC1009
NEW FAFNIR 2 BOLT FLANGE BEARING WITH COLLAR RCJT 1 15/16 1 15/16" BORE 1115
Hub City 3-Bolt Flange Bearing FB150UR X 1 FB150URX1 1" Bore New
Hitachi Power Supply Model PSM2-A2 PSM2A2 240 VAC 24 VDC New
Timken Tapered Roller Bearing Cone H936349 New
NEW SKF PILLOW BLOCK BEARING SY505M YAR-205-014
NDH Delco Single Row Ball Bearing Z993L11 3L11 New
Consolidated Single Row Ball Bearing 7280M New
NO NAME BEARING ASSEMBLE OBPH-3 0BPH-3 SK 1.5-1.25 B
Timken Lock Washer TW121 New
SNR Double Row Self Aligning Ball Bearing 1320 K 1320K New
NEW LOT OF 3 NO NAME CARBON MOTOR BRUSH CM3H AC1 1-1/2"LENGTH 1"WIDTH 3/8"THICK
NEW TIMKEN 18620B TAPERED ROLLER BEARING RACE
Link-Belt Cylindrical Roller Bearing M1308T made in the USA New
SKF Rubber Sealed Ball Bearing 6606-2RS2/C3/VT155B 66062RS2C3VT155B New
Link-Belt Insert Bearing w/ Collar UG 219 HL UG219HL U219 1-3/16" Bore New
INDIANA GENERAL 46405372143-0A 1/2 HP 1/2HP 180V ADJUSTABLE SPEED DRIVE MOTOR
Timken Tapered Roller Bearing Cup Race 592XE New
NB Slide Unit Ball Bushing Open Block Linear Motion Bearing TWD32UU New
NSK Self Aligning Ball Bearing 22312CDKE4C3S11 22312E4C3S11 22312CD KS11 New
NEW SQUARE D PRESSURE SWITCH 9012-ACW8-S12 9012ACW8S12 RANGE 40-175
SealMaster Seal Master Pillow Block Bearing EMP-31T EMP31T 1-15/16" Bore New
NEW NSK ROLLER BEARING 6802VV 6802V
MRC Single Groove Radial Ball Bearing 2185 New
NEW INA NEEDLE BEARING RNA49102RS 50774883
NEW KRV 90 PP A ROLLER BEARING KRV90PPA
NEW LINEAR MOTION BEARING L-3248-32 L324832
SKF SI 10 C Rod End Bearing SI10C New
NEW SEALMASTER 4 BOLT FLANGE BEARING MSF16 1" BORE
NEW AURORA GREASED ROD END HEIM JOINT MW-8Z MW8Z 1/2"-20 RH THREADS 1/2"ID
Masterdrive 4-Groove Sheave Pulley 4/3V1060SK 43V1060SK New
NEW AURORA GREASED ROD END HEIM JOINT MW-7 7/16-20 RH RIGHT HAND THREADS 7/16"ID
KOYO BEARING 6211ZZC3 GXM 6211ZZC3GXM 6211ZC3 NIB
NEW MRC BEARING 110KSZZ-0085 110KSZZ0085 110KSZZ-0085 C3 110KSZZ0085
The General Bearing 6304 ZZ E 6304ZZE 6304-ZZC3 6304ZZC3 New
NTN Single Groove Radial Roller Ball Bearing BL306 New
NEW INA INNER RING BEARING IR 20X25X16 IR20X25X16 "LOT OF 6"
MRC 124 KS Single Row Ball Bearing 120X180X28MM New
NEW CONSOLIDATED / JAF INSERT BEARING CONS 479207 D UC207 479207D
NEW HUB CITY TPB 250X1 PILLOW BLOCK BEARING TPB250X1 B250X1
NEW INA NEEDLE BEARING RNA NA-4912P6 OOV11 RNANA4912P6 RNANA4912P6OOV11
NEW TIMKEN TAPERED ROLLER BEARING 30208 92KA1 Y-30208 Y30208 X30208
NEW HUB CITY FB260X1 MOUNTED BEARING B250 X1
NEW NO NAME TIMING PULLEY 36 8M20 1610 368M201610
NEW DODGE 125369 SC TAKE-UP BEARING FR 308 461279 SC 1-3/8" 207
New No Name Pillow Block Bearing 5U13 P4-228-0 1-11/16"
Lot of 29 T & B T&B STD Pipe Clamp Rigid Conduit 2" 355-732-06-01 New
SealMaster Take Up Pillow Block Bearing Set Screw Gold Line ST-23 ST23 1 7/16"
NEW LINK BELT 2 BOLT FLANGE BEARING FX3-U216H FX3U216H 1" BORE
NEW SKF BEARING 5305 A-2RS1/C3 5305A2RS1C3
FAG Consolidated Self-Aligning Roller Ball Bearing 21318 New
NEW MRC TRW BEARING 7304DU ABEC1 7304DUABEC1
SKF Rubber Sealed Ball Bearing w/Snap Ring 6209-2RS1N/C3HT51 62092RS1NC3HT51 New
NEW CRAFT PILLOW BLOCK BEARING S1-BCH 200 HD S1BCH200HD 200 2 BOLT
NEW KOYO SEALED BALL BEARING 62102RDC3 6210RDC3
SKF 52216 DOUBLE THRUST BALL BEARING 4 1/2" O.D. NIB
Timken Tapered Roller Bearing 543 New
NEW RHP RUBBER SEALES BALL BEARING MJ7/8-2RSJ P11846 MJ782RSJ
BARDEN PRECISION BALL BEARING SET 116HDL 0-9 F 12 B F12B NIB
LOT OF 2 SQUARE D FORWARD INCREMENT LEGEND PLATE 9001 KN-300 ALUM 9001KN-300
NEW NO NAME BEARING 1320K N H25 NH25
NEW LOT OF 2 NO NAME ROD BEARING CY210G100/45-1100Z CY210G100451100Z
NEW ASKUBAL ROD END BEARING KAL 25 KAL25 Left Hand Thread M24-2.0 25mm ID
E-Mon D-Mon Power Current Sensor 1600A 1600 A Amp Used
NEW MRC BALL BEARINGS 310SFF STEEL C3 ABEC-1
LOT OF 8 TORRINGTON NEEDLE THRUST BEARING NTA-1423 NTA1423 NIB
NEW CEW 78-00254 QUARTZ HALOGEN LAMP 150Q 130 VOLT 150 WATT 7800254
DELAFIELD A STAINLESS S/S BRAIDED FLEX HOSE 2 3/8" - 26 1/4"
SKF ANGULAR CONTACT BALL BEARING 7306 BYG 7306BYG 7306 BG 7306BG NIB
MOOG 0 514 700 023 0514700023 HYDRAULIC PUMP
NEW SKF SPHERICAL ROLLER BEARING 23940 CC/W33 23940CC/W33 23940CCW33
BEARINGS LIMITED 6302 2RSC3 63022RSC3 BEARING NEW
NEW NO NAME SHAFT SPLIT COLLAR 25/32" ID 1-49/64" OD 19/32" THICK
MILLER FLUID POWER HV84B6N 3000 PSI 1 1/2" BORE 9" - 10" AIR PNEUMATIC CYLINDER
ERIEZ SAFEHOLD M-100 1000 LB 1/2 TON MANUAL MAGNETIC MAGNET PLATE LIFTING UNIT
NEW BROWNING 4 BOLT FLANGE BEARING SFB1100EX 1 15/16 1-15/16"
NEW AMI INSERT BEARING SER205-15FS UC205 W/SNAP RING SER20515FS
NEW SKF 6212-2RS1/C3HT51 RUBBER SHIELD BALL BEARING
NEW DELCO/NDH/HYATT BEARING WOR 212 WOR212 WIR 212 WIR212
ALLIED INDUSTRIAL 851200 PLAIN BEARING 5X131B NEW
Nachi 6213ZZE C3 SRI2 Ball Bearing 6213ZE New
NEW RHP SELF -LUBE INSERT BEARING 1040-1.1/2DECG 1040112DECG
Fafnir Torrington 2 Bolt Flange Bearing w/ Collar LCJT 1 LCJT 1 1" Bore New
MRC 1910SZZ BALL BEARING 910 1910SZZ Steel/C3/ABEC-1 New
NTN BCA Ball Bearing XLS312A XLS 3 1/2 New in box
Timken Fafnir 2 Bolt Flange Bearing w/ Collar FLCT 1 3/8 FLCT138 1-3/8" Bore New
Forest City Wood Working Tool #6-1685 583175 New
NEW MRC TRW BEARING 5208SBKFF ABEC1 5208SBKFFABEC1
NEW SKF FLANGE BEARING FYT I FM FYTP100
NEW RINGSPANN BEARING FC 6205 FC6205
NEW MCGILL ER-19-1 3/16 PRECISION BEARING ER-19 ER19 1-3/16" Bore
NEW TIMKEN FAFNIR 2 BOLT FLANGE BEARING WITH COLLAR RCJT 1 1" BORE G1100KRRB
No Name Male Rod End HEIM Joint 6G187 Right Hand Thread 1/4-28 1/4" ID 1 15/16 L
NEW KETCHIE-HOUSTON KH-1206-11A RCJT 1-9/16 FLANGE BEARING
New Link Belt Rexnord Bearing Y223N 1-7/16"
FAFNIR BALL BEARING 7306WN C1 7306WNC1 NIB
SKF ANGULAR CONTACT BALL BEARING 7214 BY 7214BY 7214 B 7214B NIB
NEW INA DOUBLE ROW BEARING 4207 F0623
Fafnir 1107KRRC1 Bearing 1107KRRC1 1107KRR C1 New
NEW DODGE FLANGE BEARING 057708 F4B-SCM-307-HT F4BSCM307HT 3-7/16" BORE 3716
NEW PT INTERNATIONAL SET SCREW LOCK 4 BOLT FLANGE BEARING UCF210 50MM UCF21050MM
Koyo Spherical Roller Bearing 22213 RW33C3FY 22213RW33C3FY 22213W33 New
NEW NO NAME CLOSED PILLOW BLOCK LINEAR BEARING 89507 1043010
NEW BOWER MS 1311 BEARING WITH METAL RING WN61219
SKF Angular Contact Precision Bearing 7206 CDGA/P4A 7206CDGAP4A New
NEW BLUE BRUTE 4 BOLT FLANGE BEARING QMF10J115S
Dodge 3-Bolt Flange Bearing LF-DL-102 LFDL102 7586466-001-001 1-1/8" Bore New
NTN Insert Bearing w. Collar A-UEL211-200D1W3 AUEL211200D1W3 A-UEL211-200 NEW
Fafnir Insert Bearing w/ Collar MUA 1-15/16 W/ 1115 KR MUA11516W1115KR New
MRC Ball Bearing 307 SF 307SF ABEC1 35X80X21MM New
Fafnir Rubber Sealed Deep Groove Radial Ball Bearing 2MM312WI CR DUL New
MRC 208RDS Super Precision Angular Contact Bearing Set/Pair 208RDS New
NEW NACHI SNAP RING BEARING 6309-2NSL 63092NSL
MRC TRW Single Row Ball Bearing 124 KS 124KS NEW
DANLY CAGE BEARING BUSHING 6-1006-821 61006821 NEW
New American Roller Bearing Co Needle Bearing AWRA218H
NDH Delco Hyatt Roller Bearing RA308 7124 New
MRC Double Row Roller Ball Bearing 5315M New
NEW FAFNIR 2MM 9113WIL 2MM9113WIL 9113WI BALL BEARING
NEW NSK 22316EAKE4C3 LARGE SPHERICAL ROLLER BEARING
NEW RBC KF055CP0 THIN SECTION BALL BEARING KF055CP0 RBC WO7420 KF055CP0RBC
FAG Spherical Self Aligning Roller Bearing 23026E New
No Name Single Groove Radial Ball Bearing with Snap Ring 64 RIV 64RIV 15BBNON
Nyla-K MB 2-Bolt Flange Bearing C-25-1 11/16 C2511116 1-11/16" Bore New
NEW BROWNING 4 BOLT FLANGE BEARING SFB1100NEX SFB1100NE 1-15/16" BORE 11516
LOT OF 2 INTRALOX KEYED PLASTIC SPROCKET S1600 51mm SERIES 1600 2 OPD 6 TEETH
NEW HUB CITY 2 BOLT FLANGE BEARING W/COLLAR FB230X5/8 FB23058 5/8" BORE
IRO PICANOL WEFT FEEDER ACCUMULATOR TT098799 1131.02.5C
MRC Roller Bearing 205 M 205M ABEC-1 ABEC1 01-ST-A-004A 01STA004A New
Fafnir Single Row Ball Bearing 203KTT 17MM ID 40MM OD New
FAFNIR RSA0C 2 11/16 PILLOW BLOCK BEARING W/ 2 11/16" BORE
Fafnir Insert Bearing 1114KRR No Collar New
NEW REXNORD REX ROLLER BEARING W/ LOCKING COLLAR MMC2207 5050767011 2 7/16" BORE
PTI 2 BOLT PILOT FLANGE BEARING OWFZ207-35AMM NEW
NEW SEAL MASTER SEALMASTER FLANGE BEARING SF-21 SF21 1 5/16"
SealMaster Stainless Steel S/S Flange Bearing CRFS-PN32 CRFSPN32 New
Timken Double Race Assembly Tapered Roller Bearing 659 90033 New
Blue Brute Bearings 2-Bolt Pillow Block Bearing QMP10J115SET New
SNR Sealed Roller Ball Bearing 6013 ZZJ30A50 6013ZZJ30A50 6013 J30 6013J30 New
SEALMASTER PILLOW BLOCK BEARING NP-18 NP18 1-1/8" 7001823 NIB
NEW INA 2 BOLT FLANGE BEARING 01CJTZ07 GAY 35 NPPB GAY35NPPB
SKF Deep Groove Ball Bearing w/ Snap Ring 6313 NRJEM 6313NRJEM 6313 N/C3 New
NEW SKF BEARING 6304 ZJEM 6304ZJEM 6304-Z/C3 6304ZC3
NEW The General Roller Bearing BR7-23 BR723 BR7 23
FAFNIR Ball Bearing S3PP FS50160 NEW
NEW PACAMOR SINGLE ROW BALL BEARING 77R-18 77R18
NEW CONSOLIDATED SEALED ROLLER BEARING LS-10-2RS LS102RS
NEW FAFNIR INSERT BEARING WITH COLLAR RA102PPB
ZKL Bearing 6204A-2Z CSFR 6204A2ZCSFR New
NEW THK LINEAR BLOCK BEARING SSR20XW1SS SSR-20W Y1M06 "LOT OF 2"
Hub City Mounted Bearing B250x 3/4 B250x3/4 New
Koyo Sealed Ball Bearing 62082RDC3 6208RD New
NEW NTN BEARING UC310 UC310D1
NEW PACIFIC FM30 LINEAR BEARING FM-30 1557267
NEW TIMKEN TAPERED ROLLER BEARING 66462B
NEW MRC TRW BEARING 312M 0002 312M0002
HUB CITY FB72-4 1-7/16 FLANGE BEARING NEW
SIEMENS LF111N 30A 30 A AMP 120V TYPE 1 UNFUSED SAFETY DISCONNECT SWITCH NEW
FYH Pillow Block Mounted UPC 312 UPC312 16R1 J102 New
NEW SEAL MASTER SEALMASTER TB-18 PILLOW BLOCK BEARING 1 1/8" SHAFT 2-12 TB18
NEW FAFNIR GN104KRRB BEARING W/ SN104K COLLAR
ADI Needle Bearing w/ Inner Race NU 5215 MC3 New
McGill Cam Follower Bearing CF 2 3/4 SB CF234SB 2-3/4" New
ERHARDT+LEIMER SQUARE D NT5304 NT 5304 PUSH BUTTON CONTROL SWITCH NEW
Osborn Flanged Yoke Bearing FLRY-3 1/4 FLRY314 96225 New
NEW ABEL VALVE BALL 50 MM 50MM 316 S/S stainless D 50 D50 1.4401
NEW HUB CITY PILLOW BLOCK BEARING PB250NX1 1" BORE
NEW MORSE ROLLER BEARING CARTRIDGE INSERT 550107 2 1/4"
SKF Tapered Roller Bearing 72200CVQ273 72200C/VQ27372200C VQ273 New
STANDARD BEARING ADAPTER KIT 26 X 4.438 BORE: 4.42" NIB
NEW SKF 71917 CD/P4ADGA Precision Bearing 71917CD/P4ADGA 71917-CD/P4ADGA
Fafnir Bearing With Collar 1100KRR+COL 1100KRRCOL New
Schatz Insert Bearing w/ Snap Ring WE520 New
NEW FAFNIR BALL BEARING G1103KRR 8-T G1103KRR8T
SKF Shielded Ball Bearing 6315 2ZJ/EM 63152ZJEM 6315-2Z 63152Z New
NEW BRECO POLYURETHANE TIMING BELT 50T10-1390 50T10/1390 50T101390 2" WIDTH
SKF Spherical Roller Ball Bearing 22213 CCJ/W33 22213CCJW33 22213 CC/W33 New
NEW FAG ROLLER BALL BEARING 6211 2RSR C3 62112RSRC3
MAKINO CIRCUIT BOARD CARD CB-4 T6J01-00 T6J0100
NEW INPRO/SEAL AY58293A-BZV BEARING ISOLATOR 1000-A-17174-5 1K118ABZV 1.375 BORE
NEW DEL-TRON LINEAR BEARING ROLLER RD-1 RD1
MARATHON FVH 145TTGR140 40 AA P TTUH8 2HP 2 HP 208-230/460V 3PH MOTOR NEW
NEW NSK 22319CAMKE4C3 LARGE SPHERICAL ROLLER BEARING
SKF NNU 4922 BK/SPW33 Precision Bearing NNU4922BKSPW33 NEW
MOBIL XHP 222 XHP222 LITHIUM COMPLEX GREASE PETROLEUM OIL LUBRICANT 35.2 LBS NEW
NEW SKF EXPLORER 22224 EK/C3 22224EKC3 LARGE SPHERICAL ROLLER BEARING
Beckman Industrial Doric 400A Indicator 400A-1-1-05-01 400A110501 100/125 VAC谐波电磁噪声与震动
普通异步电动机采用变频器供电时，会使由电磁、机械、通风等因素所引起的震动和噪声变的更加复杂。变频电源中含有的各次时间谐波与电动机电磁部分的固有空间谐波相互干涉，形成各种电磁激振力。当电磁力波的频率和电动机机体的固有振动频率*或接近时，将产生共振现象，从而加大噪声。由于电动机工作频率范围宽，转速变化范围大，各种电磁力波的频率很难避开电动机的各构件的固有震动频率。
4、电动机对频繁启动、制动的适应能力
由于采用变频器供电后，电动机可以在很低的频率和电压下以无冲击电流的方式启动，并可利用变频器所供的各种制动方式进行快速制动，为实现频繁启动和制动创造了条件，因而电动机的机械系统和电磁系统处于循环交变力的作用下，给机械结构和绝缘结构带来疲劳和加速老化问题。
5、低转速时的冷却问题
首先，异步电动机的阻抗不尽理想，当电源频率较底时，电源中高次谐波所引起的损耗较大。其次，普通异步电动机再转速降低时，冷却风量与转速的三次方成比例减小，致使电动机的低速冷却状况变坏，温升急剧增加，难以实现恒转矩输出。
