NSK tapered roller bearings 30217
NSK brand name 30217
New model 30217
Older model 7217E
Diameter d (mm) 85 mm
Outside diameter d (mm) 150 mm
B thickness (mm) 28 mm
Reference model 30217 bearings
Brand NSK
Series tapered roller bearings
Description of tapered roller bearings (30,000)
NSK bearings are an important source of mechanical components, a mechanical device performance can be fully realized depends on proper lubrication of the bearing, it can be said that lubrication is necessary to ensure normal operation 30217 tapered roller bearings, which are improving the bearing capacity of NSK bearing life and plays an important role. Regardless of form of lubrication, lubrication in bearings can play a role are as follows:
(1) reducing the friction between metal, slowing its wear.
(2) formation of oil film increases the contact area, reduce the contact stress.
(3) ensure that the bearing under the contact stress of high frequency, normal operation for a long time, longer fatigue life,
(4) Elimination of friction heat, reduce bearing surface temperature to prevent burns.
(5) dust-proof, rust-proof, corrosion-proof.
Therefore, properly lubricated 30217 tapered roller bearings normal operation is very important. NSK bearing lubrication design include: determination of the reasonable method of lubrication, correct choice of lubricant, lubricant consumption of juice of quantitative calculation and determination of oil changing period.


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