April Insider: Your Questions Answered- NTN’s Type E Bearing Units
We understand that choosing the right bearing unit is crucial for your operations. That’s why we’re here to answer some of the most asked questions about NTN’s Type E Bearing Units.
1. What types of seal options are available? The Bower Type E unit comes with a double-lip contact seal made from nitrile rubber molded onto a metal guard for extra protection.
2. What type of bearing insert is used? It uses a double-row spherical roller bearing with a two-piece outer ring.
3. What is the misalignment capability? The Bower Type E is designed to allow for industry-leading dynamic misalignment of +/- 2 degrees.
4. What bore sizes are available? Bore sizes range from 1-7/16” to 4-15/16”.
5. What type of housing configurations are available? The units are available in 2 and 4 bolt mounting options.
6. What material is the pillow block made of? The pillow blocks are made of cast iron.
7. Are there fixed and expansion options? The Bower Type E units are available in the fixed position only.
8. What is the recommended shaft tolerance? The recommended shaft tolerance depends on the nominal shaft size:
- Under 2” bore: 0 to -0.0005”
- 2-3/16” to 4”: 0 to -0.001”
- 4-7/16”+: 0 to -0.0015”
9. What tools are required for installation? Proper tools are required to ensure correct tightening of the set screws.
10. What are some typical applications? These bearings are commonly used in industries like mining, material handling, and more.
We hope this answers your questions about NTN’s Type E Bearing Units. If you have any further inquiries or need assistance, please don’t hesitate to contact us at [email protected] or our technical hotline at 1.800.323.2358.
Your maintenance partners,
NTN Bearing