Roller Followers

IKO roller followers refer to mechanical components typically used in linear motion systems to provide stable support and guidance functions.

IKO roller followers are specialized cam follower bearings designed to convert rotational motion into precise linear movement or to follow complex cam profiles. These components combine high-capacity needle roller bearings with hardened outer rings and integral stud shafts or yoke types for robust performance in demanding applications.

IKO roller followers Key Design Features

Stud-Type Design:

One-piece stud shaft with precision ground threads (ISO metric/UNF standards)

Eccentric collar option (±0.3mm adjustment range)

Hexagonal wrench flats for secure installation

Yoke-Type Design:

Through-hole mounting with locknut retention

Standard yoke widths from 10-50mm

Pivot clearance ≤0.05mm

Outer Ring Specifications:

Case-hardened chromium steel (HRC 58-62)

Super-finished raceway (Ra ≤0.1μm)

Crowned profile (R=500-2000mm) for edge stress reduction

Quality Assurance

Dimensional tolerance: ISO P5 (ABEC 5)

100% raceway inspection

Vibration testing <1.0mm/s RMS

Material certification: EN 10204 3.1

This comprehensive technical profile provides engineers with critical data for proper selection and application of IKO roller followers in precision motion systems.

High load-bearing capacity: able to withstand large radial loads and low axial loads.

Low noise: Due to the large contact area between the roller and the guide rail surface, the operation is smooth and the noise is low.

Long lifespan: Using high-quality materials and advanced manufacturing processes, it has a long service life.

These roller followers are widely used in various industrial fields, including:

Mechanical equipment: used for linear motion support in various mechanical devices.

Automation equipment: used as guiding and supporting components in automated production lines and robots.

Automotive manufacturing: used for precise linear motion control on automotive production and assembly lines.

Electronic devices: used for high-precision electronic device assembly lines.

Maintenance and upkeep suggestions

In order to extend the service life of IKO roller followers, it is recommended to regularly perform the following maintenance and upkeep:

Cleaning: Regularly clean the rollers and guide rails to prevent impurities from entering and affecting operational accuracy.

Lubrication: Use appropriate lubricating oil or grease to maintain good lubrication of the rollers and guide rails.

Inspection: Regularly check the wear of rollers and guide rails, and replace damaged components in a timely manner.

Through the above measures, the service life of IKO roller followers can be effectively extended, ensuring the stable operation of the equipment.

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Part Number Bearing Type Bearing Material Internal Structure Dynamic Load Rating (N) Mass(g)
RNAST25R
Roller Followers
High Carbon Chrome Steel
Cage Type
20800
152.0
RNAST8R
Roller Followers
High Carbon Chrome Steel
Cage Type
5650
23.5
RNAST30
Roller Followers
High Carbon Chrome Steel
Cage Type
30500
255.0
RNAST30R
Roller Followers
High Carbon Chrome Steel
Cage Type
30500
255.0
RNAST35
Roller Followers
High Carbon Chrome Steel
Cage Type
32400
375.0
RNAST35R
Roller Followers
High Carbon Chrome Steel
Cage Type
32400
375.0
RNAST40
Roller Followers
High Carbon Chrome Steel
Cage Type
35900
420.0
RNAST40R
Roller Followers
High Carbon Chrome Steel
Cage Type
35900
420.0
RNAST12
Roller Followers
High Carbon Chrome Steel
Cage Type
10500
49.5
RNAST12R
Roller Followers
High Carbon Chrome Steel
Cage Type
10500
49.5
NURT40
Roller Followers
High Carbon Chrome Steel
Full Complement
86500
817
RNAST15
Roller Followers
High Carbon Chrome Steel
Cage Type
12400
50.0
NURT401
Roller Followers
High Carbon Chrome Steel
Full Complement
86500
1130
RNAST15R
Roller Followers
High Carbon Chrome Steel
Cage Type
12400
50.0
NURT401R
Roller Followers
High Carbon Chrome Steel
Full Complement
86500
1130
RNAST17
Roller Followers
High Carbon Chrome Steel
Cage Type
17600
90.0
NURT40R
Roller Followers
High Carbon Chrome Steel
Full Complement
86500
817
RNAST17R
Roller Followers
High Carbon Chrome Steel
Cage Type
17600
90.0
NURT45
Roller Followers
High Carbon Chrome Steel
Full Complement
91500
883
NURT451
Roller Followers
High Carbon Chrome Steel
Full Complement
91500
1400