12 FAQS FROM ENGINEERS
1. ARE THE RITBEARING LINES ROHS COMPLIANT & ISO CERTIFIED?
Yes, the vast majority of the lines are RoHS compliant and ISO certified.
2. WHAT IS THE DIFFERENCE BETWEEN YOUR “PRECISION” BEARINGS AND “HIGH PRECISION” BEARINGS?
Most of our inventory is precision product, compared to unground bearings. We do offer bearings with higher ratings such as Abec 5 or Abec 7.
3. HOW IS THE PRELOAD ADJUSTED WITH YOUR BEARINGS?
A preload is a permanent thrust load applied to a bearing which eliminates the axial load. Preload adjustments can be handled in a few different ways depending upon the type of bearing selected.
4. WHAT IS THE AVERAGE SHELF LIFE OF YOUR BEARINGS?
Ritbearing strives to constantly change its inventory. The average shelf life depends upon the proper storage of the bearing and the type of grease or oil installed in it. Ritbearing employs a first in, first out inventory policy.
5. HOW DO YOU DETERMINE THE LIFE EXPECTANCY OF YOUR BEARINGS?
We would consult the factory to determine their life calculation formula and then consider the factors involved with the application.
6. WHAT GREASE DO YOU RECOMMEND FOR STANDARD APPLICATIONS?
The most common grease currently supplied by Ritbearing for standard industrial applications is Polyrex EM.
7. WHAT ABEC LEVELS DO YOU OFFER AND DOES HIGHER ABEC RESULT IN A QUIETER BEARING?
Ritbearing offers Abec 1, 3, 5, and 7 products. Many factors go into the noise level of a bearing.
8. ARE YOUR HIGH PRECISION BALL BEARINGS “ELECTRIC MOTOR QUALITY”?
Depending upon the noise level requirement, Ritbearing can provide EMQ level bearings. Please consult with a Ritbearing representative to determine what your application parameters are.
9. CAN RITBEARING PROVIDE A SAMPLE FOR “FIRST ARTICLE OF INSPECTION”?
Yes, we can provide bearings for this method in approving bearings for a contract.
10. ARE YOU ISO CERTIFIED?
Ritbearing is not ISO certified, but does have its own Quality Manual to follow strict guidelines on a variety of concerns. Ritbearing tends to deal with factories that are themselves ISO certified.
11. CAN YOU OFFER SMALL BATCH MANUFACTURING FOR SAMPLES FOR NEW PROJECTS?
Yes, Ritbearing welcomes the opportunity to help solve your industrial applications.
12. CAN YOU PROVIDE PPAP AND MATERIAL CERTIFICATIONS?
Yes, Ritbearing can provide both PPAP and material certifications from the manufacturing facility.