d - 4 mm
D - 9 mm
B - 2,5 mm
C - 2,5 mm
r min. - 0,15 mm
da min. - 4,8 mm
Da max. - 8,2 mm
ra max. - 0,1 mm
Weight - 0,00063 Kg
Basic dynamic load rating (C) - 0,64 kN
Basic static load rating (C0) - 0,225 kN
(Grease) Lubrication Speed - 53 000 r/min
(Oil) Lubrication Speed - 63 000 r/min
- Model Number:684 A
- Inner Diameter：4mm Outer Diameter：9mm Width：2,5mm
- Type：Deep Groove Ball Bearings
- Update date：2025-12-09
- Application:test equipment,coal,food testing,security,dye pigments,relay,Insect Capture,Industrial,water,packaging machinery,root canal filling
- Similar models:CYSD 6844 ZEN S684-2Z NSK 684AZZ CYSD 6844-RZ NSK 6844 ZEN SF684 CYSD 6848-ZZ NTN 6848C KOYO 306842A ISO F684ZZ
- BEARING POWER International Trading Co.,Ltd. specialize in 684A products，there is large inventory of NSK 684 A . We has been built up long-term cooperation with NSK company, could make a bulk order of the 684 A Which NSK 684A is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express.Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.
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Model No. Inner Diameter Outer Diameter Width Brand Type 3382/3321 39,688 77,534 29,37 FBJ Tapered Roller Bearings 68/900 900,000 1090,000 85,000 NTN Deep Groove Ball Bearings B25-157A1HL1DDTA2 25 68 21 KBC Deep Groove Ball Bearings CX594 CX Wheel Bearings DL 20 16 20 26 16 KOYO Needle Roller Bearings F15173 35 68 48 Fersa Tapered Roller Bearings GE 25GS-2RS 25 47 28 IKO Plain Bearings H924045/10 111,125 214,312 55,562 CX Tapered Roller Bearings K89436-M 180 360 36 INA Thrust Roller Bearings NA209 45 85 42,8 FYH Deep Groove Ball Bearings PK40XPK56X20.8 40,000 56,000 NTN Needle Roller Bearings RNAFW759560 75 95 60 JNS Needle Roller Bearings SCE1412 22,225 28,575 19,05 INA Needle Roller Bearings UCT328 140 SNR Bearing Units UKC317H 75 82 SNR Bearing Units C2208V 40 80 23 FAG TOROIDAL ROLLER BEARINGS 21310CC 50 110 27 SKF SPHERICAL ROLLER BEARINGS NUP203E 17 40 12 Torrington CYLINDRICAL ROLLER BEARINGS 13AE 70 120 14 RIV DEEP GROOVE BALL BEARINGS 120532 .7500 1.3750 2.0000 Rollway JOURNAL ROLLER ASSEMBLIES
Hot number：FAG 230/750-K-MB+AH30/750A FAG 31311-A Timken 3193/3120-B ZEN 51204 NACHI 51436 Timken 6454/6420-B SKF 71914 ACE/HCP4AL KOYO K24X30X13BE AST NK95/26 SKF NUP 2203 ECP ISO UCX06 INA VSU 25 1055 FAG L10RA800 INA KRE22PP CONSOLIDATED 7288BMG FAG 1320-K-M-C3 + H320 SKF 51420M ISO 61816 ZZ AST AST850BM 12060 AST ASTT90 3240 SKF GEZM 300 ESX-2LS ISO BK354332 Modus Speed Bearings Modus Abec 7 CRAFT NA6910-2RS CYSD NN3012K/W33 ZEN RLS5-2Z ELGES GE82ZO2RS INA NKI25/20 SKF NNCL4980V CONSOLIDATED NF-302
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