NA 4876Single row needle roller bearing with machined rings, with flanges

SKU: NA 4876Single row needle roller bearing with machined rings, with flanges

Single row needle roller bearings incorporate cylindrical rollers that are small in diameter relative to their length. Owing to their large number of rollers, the bearings have a high load carrying capacity. The outer ring includes two integral flanges to guide the bearing axially and an annular groove with one or more lubrication holes to facilitate relubrication.

ID:202377

Dimensions - NA 4876

Dimensions

d
380 mm
Bore diameter
D
480 mm
Outside diameter
B
100 mm
Width
F
415 mm
Raceway diameter inner ring
r1,2
min. 2.1 mm
Chamfer dimension outer ring
s
max. 2 mm
Permissible axial displacement from the normal position of one bearing ring relative to the other

Abutment dimensions - NA 4876

Abutment dimensions

da
min. 391 mm
Smallest permissible abutment diameter shaft, bearings with flanges
Da
max. 469 mm
Abutment diameter housing (with flanges)
ra
max. 2 mm
Fillet radius

Calculation data

Basic dynamic load rating C
968 kN
Basic static load rating C0
3 000 kN
Fatigue load limit Pu
270 kN
Reference speed
900 r/min
Limiting speed
1 000 r/min

Mass

Mass bearing
42.6 kg

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