Timing Belt Pulleys and V-Belt Sheaves: Matching Belt Drive Components Correctly
Belt drives may appear simple, consisting of two wheels and a belt for power transfer.
Availability:
17 in stock
Machined needle roller bearing with inner ring, 55 x 80 x 25 mm, open, X-life design. 65 kN dynamic and 100 kN static load, 7,200 rpm limit.
List Price
$36.11

17 in stock
On the Shelf & Ready to Ship
On all orders

No Risk, No Hassle
| MFR / Brand | INA |
|---|---|
| MPN | NA4911-XL |
| GTIN | 4012802195545 |
| Model | NA 4911 XL |
| Bearing Type | Needle Roller Bearing, Open |
| ID | 55 mm |
| OD | 80 mm |
| Width | 25 mm |
| Material | Bearing Steel |
|---|---|
| Series | 4900 Series |
| Lubricant | Oil/Grease |
| Base Number | NA4911 |
| Industry Terms | Needle roller bearing, machined needle bearing, needle bearing with inner ring, NA49 series |
| Bore Shaft Size | 55 mm |
| Mpn Variants | NA4911-XL, NA4911XL, NA-4911-XL, NA 49/11 XL, NA4911 |
| Manufacturer Status | X-life |
| Compatible With Replaces | IKO NA4911, SKF NA4911, NTN NA4911, Koyo NA4911, Nachi NA4911 |
| Dynamic Load Rating | 65,000 N |
| Static Load Rating | 100,000 N |
| Rolling Elements | Needle roller |
| Limiting Speed | 7,200 rpm |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | Without Snap Ring |
| Harmonization Code | 8482.40.0000 |
| Design Units | Metric |
| Part Number | NA4911-XL |
| Closure Type | Open |
| Common Misspellings | NA 4911 XL; NA4911 X-Life; INA NA-4911XL; NA491l-XL; neadle bearing NA4911 |
| Application Types | Gearboxes; machine tool spindles; shafts running in a plain housing bore with a separate inner ring |
| Cross Reference 1 | INA NA4911 - standard design, no X-life |
|---|---|
| Cross Reference 2 | IKO NA4911 |
| Cross Reference 3 | SKF NA 4911 |
| Cross Reference 4 | NTN NA4911 |
| Cross Reference 5 | Koyo NA4911 |
| Cross Reference 6 | INA RNA4911 - no inner ring |
INA NA4911-XL single-row machined needle roller bearing supplied with its own inner ring, 55 x 80 x 25 mm, open, X-life design. Unit Quantity: 1 Pc. One bearing comprises the machined outer ring, the caged needle complement and the separable inner ring.
NA — machined needle roller bearing supplied complete with an inner ring. Without the inner ring the same bearing is the RNA4911.
49 — dimension series 49.
11 — bore code, 11 x 5 = 55 mm bore.
XL — INA X-life execution.
Bore Diameter: 55 mm. Outside Diameter: 80 mm. Width: 25 mm. Rolling Elements: Needle Roller. Number Of Rows: 1. Closure Type: Open. Dynamic Load Rating: 65,000 N. Static Load Rating: 100,000 N. Fatigue Limit Load: 17,300 N. Limiting Speed: 7,200 rpm. GTIN: 4012802195545.
Bore: 55 mm on the supplied inner ring. Outside Diameter: 80 mm. Width: 25 mm. Series: NA49. Harmonization Code: 8482.40.0000.
Cross-references: INA NA4911 (standard design, no X-life), IKO NA4911, SKF NA 4911, NTN NA4911, Koyo NA4911. INA RNA4911 is the same needle roller and outer ring assembly without the inner ring.
Bore 55 mm, outside diameter 80 mm, width 25 mm.
NA is a machined needle roller bearing supplied with an inner ring; the bearing without the inner ring is the RNA4911.
Dynamic 65,000 N, static 100,000 N, fatigue limit 17,300 N.
Belt drives may appear simple, consisting of two wheels and a belt for power transfer.
Tapered, cylindrical, and spherical roller bearings all solve the same basic problem, carrying more load
If you pulled a bearing off general industrial equipment at random, there’s a good chance
Our team can locate, cross-reference, and source all parts.
Our team can locate, cross-reference, and source all parts.
Sort
Brand
Price
MPN
Categories