RPNA 18/32Alignment needle roller bearings, without an inner ring

SKU: RPNA 18/32Alignment needle roller bearings, without an inner ring

Alignment needle roller bearings are self-aligning and offer a compact solution in applications where less space is available. Owing to their large number of rollers, they have a high load carrying capacity. Their internal design, where a convex outer ring meets two concave seating rings encased in a drawn sleeve, enables the bearings to accommodate initial static misalignment. Bearings without an inner ring are an excellent choice for compact bearing arrangements, if the shaft can be hardened and ground.

ID:188973

Dimensions - RPNA 18/32

Dimensions

Fw
18 mm
Diameter under rollers
D
32 mm
Outside diameter
C
16 mm
Width
D1
27 mm
Shoulder diameter sleeve
r
min. 0.8 mm
Chamfer dimension sheet steel sleeve

Abutment dimensions - RPNA 18/32

Abutment dimensions

Da
min. 26 mm
Smallest permissible abutment diameter housing
Da
max. 27 mm
Largest permissible abutment diameter housing
ra
max. 0.8 mm
Fillet radius

Calculation data

Basic dynamic load rating C
12.8 kN
Basic static load rating C0
17.6 kN
Fatigue load limit Pu
2.12 kN
Reference speed
22 000 r/min
Limiting speed
24 000 r/min

Mass

Mass bearing
0.052 kg

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