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691 Bearing | Loyal

691 interchange KOYO 691
691 cross reference KOYO 691
691 Equivalent bearing interchange guide:
Price: enquiry
Model Number: 691
D 4 mm
d 1 mm
B 1,6 mm
C 1,6 mm
Cu 0.001
Cr 0.170
f0 11.4
C0r 0.04
Weight 0,0001 Kg
r(min) 0.1
r min. 0,1 mm
da(min) 1.8
Da max. 3,2 mm
ra max. 0,1 mm
da min. 1,8 mm
Da(max) 3.2
ra(max) 0.1
Oil lub. 140000
Size (mm) 1x4x1.6
Width (mm) 1,6
Grease lub. 120000
Bearing No. 691
Bearing number 691
(Refer.)Mass(g) 0.1
Bore Diameter (mm) 1
Outer Diameter (mm) 4
(Oil) Lubrication Speed 140000 r/min
(Grease) Lubrication Speed 120000 r/min
Basic dynamic load rating (C) 0,14 kN
Basic static load rating (C0) 0,04 kN


UCTH210-30J-300 with Setscrew(inch)

CNSORDERNO: Normal-duty(2)

TOGN: UCTH210-30J-300

SDI: B-1/4-28UNF

SD: 1 7/8

UCHA212-39J with Setscrew(inch)

CNSORDERNO: A-R1/8

SDI: UCHA212-39J

DVIS: 2 7/16

SD: Normal-duty(2)

UCHA212-38J with Setscrew(inch)

CNSORDERNO: A-R1/8

SDI: UCHA212-38J

DVIS: 2 3/8

SD: Normal-duty(2)

ZK212-34 Tapered bore (with adapter) inch - ZK series

DVIS: A-1/4-28UNF

CNSORDERNO: Normal-duty(2)

SDI: ZK212-34

SD: 2 1/8

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