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684 Bearing | Loyal

684 interchange KOYO 684
684 cross reference KOYO 684
684 Equivalent bearing interchange guide:
Price: enquiry
Model Number: 684
D 9 mm
d 4 mm
B 2,5 mm
C 2,5 mm
Cu 0.006
f0 12.8
Cr 0.800
C0r 0.23
r(min) 0.15
r min. 0,15 mm
Weight 0,0006 Kg
da(min) 5.2
Da max. 7,8 mm
ra max. 0,1 mm
da min. 5,2 mm
r1 min. 0,15 mm
Da(max) 7.8
ra(max) 0.1
Oil lub. 70000
Size (mm) 4x9x2.5
Width (mm) 2,5
Grease lub. 59000
Bearing No. 684
Bearing number 684
(Refer.)Mass(g) 0.6
Bore Diameter (mm) 4
Outer Diameter (mm) 9
(Oil) Lubrication Speed 70000 r/min
(Grease) Lubrication Speed 59000 r/min
Basic static load rating (C0) 0,23 kN
Basic dynamic load rating (C) 0,64 kN


UCTH206-20J-150 with Setscrew(inch)

CNSORDERNO: Normal-duty(2)

TOGN: UCTH206-20J-150

SDI: B-1/4-28UNF

SD: 1 1/4

ZK311-32 Tapered bore (with adapter) inch - ZK series

DVIS: A-R1/8

CNSORDERNO: Heavy-duty(3)

SDI: ZK311-32

SD: 2.00000000

UCTH207-23J-230 with Setscrew(inch)

CNSORDERNO: Normal-duty(2)

TOGN: UCTH207-23J-230

SDI: B-1/4-28UNF

SD: 1 7/16

UCHA213-40J with Setscrew(inch)

CNSORDERNO: A-R1/8

SDI: UCHA213-40J

DVIS: 2 1/2

SD: Normal-duty(2)

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