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 |
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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 |
