Bearings for Material Handling System
Bearings for Material Handling System Track roller bearings can withdraw heavy load rating and shock load rating by their thick outer race. They are ready-to-fit units and are intended for all types of cam drives, tracks, conveyors, material handling systems and so on.
According to customer's application, the OD surface can be designed to be flat , crowned and other special ones. Cam rollers with crowned runner surfaces should always be used where angular misalignments with respect to the track expected and edge stresses kept to a minimum.
Track roller bearings are based on ball bearings, needle roller bearings as well as cylindrical roller bearings. Because of the wide variety of designs they are suitable for the most diverse operating conditions.
Tolerances:
WD track roller bearings are produced according to Normal tolerance P0 standard, except for the tolerance of the crowned runner surface diameter.The values for tolerances tally with ISO 492.
Clearance?
C2, C0, C3, C4, C5 radial internal clearance are available and also special radial internal clearance is available as customer's application providing the clearance limits are as specified in ISO 5753.
Load rating?
Dynamic load rating conform to ISO281/1 and static load rating conform to ISO76.
Lubrication ?
The track roller bearings, filled with lithium grease, have a good anti-rust capability and can work among the temperature range from-30?to+120?. Generally speaking, they are greased for life and are maintenance-free under normal working condition. However, if they are subjected to moisture or solid contaminants, or if they keep runing for a long periods under temperatures above 70?, they should be relubricated with same grease by the oil hole in the inner race or other lubrication method. High and low temperature grease are also available according to customer's request.
The WD track roller bearings consist of:
? Combined bearings
? Cam followers
? Mast rollers and chain pulleys
? Cam roller bearings
? Supporting rollers
? Other non-standard rollers

WD forklift bearings include mast rollers and chain pulleys, are essentially balls, cylindrical rollers or needle bearings which are with a thick-walled outer race. The pulleys are available with a flat runner surface or a crowned one, which can be designed according to customer's application. They can roll directly on the tray under heavy load and shock load. They are greased for life. Under normal operating conditions, they are maintenance-free, while they should be re-lubricated under severe working condition to prolong the working lifespan.
Application of WD forklift bearings:
1) Conveyor machinery ;
2) Lifting machinery;
3) Automotive line machinery;
4) Fork lift and construction machinery;
Advantages of WD forklift bearings:
1) Optimized structure and reliable quality;
2) Saving the mounting spaces in wide applications;
3) Ready-to-fit units and reducing the maintenance costs;
4) Greased for life and prolonging working lifespan;
5) High quality at competitive price;
6) Full range of mast roller and chain pulleys;
7) Well sealing ability and misaligning ability, can bear heavy loading capacity;

Bearing Code	CL3211K1TN-2RS
dmm	55
Dmm	130
Bmm	67
Cmm	65
C1mm	55
D1mm	158
d1mm	65
CKN	72.1
CoKN	85
MassKg	3.1
Reference indexItaly	MRS.1234