Page 1064 - Rollingbearings

22 NoWear coated bearings
Bearing data Loads Lubrication

Minimum load In general, the same lubrication guidelines
Dimension standards, tolerances,
internal clearance, permissible Owing to the material combination of are valid for NoWear coated bearings as for
standard bearings (Lubrication, page 110)
misalignment NoWear /steel in the contact area, the risk of However, NoWear coated bearings can oper-
smearing damage is reduced. NoWear coated ate reliably even where adequate surface
Refer to Bearing data in the relevant product bearings are recommended for applications separation cannot be achieved NoWear acts
section of the standard bearing with light loads in combination with high as a protective layer and may reduce the
speeds, where smearing damage is an issue. need for EP and AW additives in the
lubricant

Bearing service Load carrying

life capacity, equivalent Designation

bearing loads system
The extended bearing service life that NoWear
can provide in high-speed, lightly loaded Refer to Loads in the relevant product section
applications is dificult to calculate and of the standard bearing. Refer to Designation system in the relevant
depends on a variety of factors. However, product section of the standard bearing
experience has shown a multifold improve- The designation sufixes used to identify
ment in bearing service life. NoWear coated bearings are:
For greased bearings that operate at speeds Temperature
near or above the permissible speed, or at L5DA Coated rolling elements
high temperatures that shorten the grease limits L7DA Coated rolling elements and inner
life, using NoWear potentially extends re- ring raceway(s)
lubrication intervals.
When operating under marginal lubrica- For temperature limits of the bearing, refer
tion conditions, NoWear can extend bearing to Temperature limits in the relevant product
service life. section of the standard bearing.
The NoWear coating withstands tempera-
tures up to 350 °C (660 °F)

Permissible speed

22 Refer to Permissible speed in the relevant
product section of the standard bearing

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