NA4900 Needle Roller Bearing
RNA4900 Needle Bearing
The NA4900 is a single-row machined needle roller bearing with an inner ring, designed for high radial load capacity in a compact size. Ideal for gearboxes, automotive systems, industrial machinery, and applications where space is limited but load performance is critical. The inner ring allows use on shafts that are not hardened or ground.
Specifications
Feature | Details |
|---|---|
Bearing Type | Needle Roller Bearing (With Inner Ring) |
Load Type | Radial |
Design | Machined Outer Ring |
Cage | Steel |
Lubrication | Grease/Oil |
Application | Industrial Machines, Gearboxes, Automotive |
Brands & Their Model Numbers
Brand | Model Number |
|---|---|
IKO | NA4900 |
INA | NA4900-XL |
NTN | NA4900 (Standard Series) |
KOYO | NA4900 |
China OEM | NA4900 |
New Jaydeep Bearing – Availability
✔ Ready stock for NA4900 in IKO, INA, NTN, KOYO & China
✔ Bulk order pricing
✔ Supply to Vapi, Umbergaon, Sarigam, Silvassa, Valsad, Navsari, Daman industries
✔ Best price & genuine quality.
Dimensions (NA4900)
Parameter | Value |
|---|---|
d (Bore Diameter) | 10 mm |
D (Outer Diameter) | 22 mm |
B (Width) | 13 mm |
F (Inner Ring Width) | 14 mm (approx.) |
Dynamic Load Rating (Cr) | ~8–9.3 kN (varies by brand) |
Static Load Rating (C0) | ~7–10 kN (varies by brand) |
Weight | ~0.023–0.025 kg |
Speed Limit | ~14,000–30,000 rpm (brand/lubrication dependent) |