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Nadella Combination Needle Bearings

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Nadella bearings are used in many racecar applications because of their small size, low weight, and high load capacity. The "combination" design features needle rollers arranged axially around the bore for rotation, plus another set of needle rollers arranged radially at one end for thrust. A common use for this style is in rocker pivots on cars with inboard suspension. Two bearings are typically pressed into the rocker from either side, with the radial bearings facing outwards.

Nadella bearings require lubrication before use. A high-quality lithium-based, EP, or synthetic bearing grease is recommended when these bearings are used as suspension pivots. Higher rotational speeds with lower load (such as supporting rotating shafts inside machines) may require oil lubrication.

Nadella Combined Bearing Dimensions
Bore Size
(Axial Bearing ID)
Housing OD
(Around Axial Bearings)
Radial Bearings ID Radial Bearings OD Housing OD
at Base
Dynamic Radial Capacity* Dynamic Axial Capacity*
12mm 18mm 15mm 22.6mm 27.5mm 2473 lb 562 lb
14mm 20mm 17mm 24.6mm 29.5mm 2810 lb 652 lb
15mm 21mm 19mm 26.6mm 31.5mm 3147 lb 697 lb
18mm 24mm 21mm 28.6mm 33.5mm 3597 lb 1304 lb
20mm 26mm 22mm 31.6mm 36.5mm 4047 lb 1439 lb
25mm 33mm 30mm 39.6mm 45.5mm 4946 lb 2360 lb

* Note: In order to achieve rated capacity and life, the mating surfaces should have a smooth finish with a Rockwell hardness between C58 and C64. Commercially-available bolts are too soft for use as a pivot (Grade 8.8 will provide less than 15% of the dynamic load capacity). A better design would be to fit a hardened sleeve between the bolt and the bearing. We offer matching Thin Nadella Thrust Washers (Part No. 3081) and Thick Nadella Thrust Washers (Part No. 3082) separately to provide the proper hardness and finish in the axial direction.

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Order Qty
Part No.


Nadella Bearing, 12mm ID, 18mm Housing

$39.99In Stock


Nadella Bearing, 14mm ID, 20mm Housing

$48.99In Stock


Nadella Bearing, 15mm ID, 21mm Housing

$48.99In Stock


Nadella Bearing, 18mm ID, 24mm Housing

$48.99In Stock


Nadella Bearing, 20mm ID, 26mm Housing

$49.99In Stock


Nadella Bearing, 25mm ID, 33mm Housing

$58.99In Stock