KR 30 Track Roller Cam Follower KR series Needle Bearing
Series
Description
NATR
Yoke type track rollers with axial guidance by washers, gap seal, with inner ring
NATV
Yoke type track rollers with axial guidance by washers, full complement, gap seal, with inner ring
NUTR
Yoke type track rollers with axial guidance by the rolling element, full complement, gap seal, with inner ring
KR
Stud type track rollers with axial guidance by rid and washer, gap seal
KRE
Stud type track rollers with eccentric collar
KRV
Stud type track rollers with axial guidance by rid and washer, full complement, gap seal
NUKR
Stud type track rollers with axial guidance by the rolling element, full complement, gap seals
CF
Stud type track rollers with cage, same as KR series
Catalogue of Track Roller Cam Followers
Outside Diameter (mm)
Standard Design
With Eccentric Collar
Main Dimensions (mm)
Designation
Mass (g)
Designation
Mass (g)
D
d
C
G
47
KR 47
386
KRE 47
405.5
47
20
24
M20×1.5
52
KR 52
461
KRE 52
480.5
52
20
24
M20×1.5
62
KR 62
790
KRE 62
818.2
62
24
29
M24×1.5
72
KR 72
1040
KRE 72
1068.2
72
24
29
M24×1.5
80
KR 80
1550
KRE 80
1610
80
30
35
M30×1.5
90
KR 90
1950
KRE 90
2010
90
30
35
M30×1.5
Product Gallery
Frequently Asked Questions
What is the main application for the KR 30 Track Roller?
The KR 30 track roller is primarily designed for offset printing machines and other precision industrial machinery requiring high radial load capacity and smooth motion.
What materials are used in the KR series bearings?
These bearings are manufactured using high-quality bearing steel, ensuring durability, high hardness, and excellent wear resistance for heavy-duty applications.
Are OEM services available for custom specifications?
Yes, OEM services are accepted. We can provide customized solutions based on your specific industrial requirements and drawings.
What is the typical delivery time for large orders?
While samples can be delivered within 1 day, larger bulk orders typically have a production and delivery lead time of 5-7 business days.
What is the difference between KR and KRE series?
The KR series are standard stud-type track rollers, while the KRE series includes an eccentric collar which allows for adjustment of the radial position during installation.
Does the KR 30 bearing come with sealing?
The KR 30 series typically features gap seals, while the KR...PP versions include additional sealing rings for better protection against contaminants.
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