NNU4988 NTN Tapered Roller Bearing
Thrust Spherical Roller Bearing offers 458 mm Da (max) a NNU4988 NTN Tapered Roller Bearing selection of Genuine Thrust Spherical Roller Bearing at Wholesale Prices. We are a NNU4988 NTN Tapered Roller Bearing Certified NTNY BEARING LTD Parts Retailer
| Brand Name: |
NTN |
| Model Number: |
NNU4988 |
| Da (max): |
458 mm |
| d: |
260 mm |
| Inside Ring Outside Diameter: |
320 mm |
| Radial Clearance: |
0.125 to 0.195 mm |
| dd (min): |
343 mm |
| dc (min): |
323 mm |
| r1: |
5 mm |
| db (max): |
318 mm |
| PDF |
NNU4988 |
Product Details
| Da (max) |
458 mm |
| d |
260 mm |
| Inside Ring Outside Diameter |
320 mm |
| Radial Clearance |
0.125 to 0.195 mm |
| dd (min) |
343 mm |
| dc (min) |
323 mm |
| r1 |
5 mm |
| db (max) |
318 mm |
| D |
480 mm |
| Configuration |
Single Row |
| Limiting Speed - Grease |
1,300 rpm |
| B |
80 mm |
| Limiting Speed - Oil |
1,500 rpm |
| ra (max) |
4 mm |
| Static Load Rating |
1,660,000 N |
| ra1 (max) |
4 mm |
| Enclosure |
Open |
| Fillet Radius/Chamfer |
5 mm |
| Dynamic Load Rating |
1,140,000 N |
| db (min) |
282 mm |