Bearings, units and housings -- Roller bearings -- Needle roller bearings -- Alignment needle roller bearings -- Alignment needle roller bearings, with an inner ring SKF PNA 20/42

PNA 20/42

Dimensions

d		20	mm
D		42	mm
B		20	mm
F		25	mm
D₁		36.5	mm
r	min.	0.8	mm
r_1,2	min.	0.3	mm
s	max.	0.5	mm

Abutment dimensions

d_a	min.	22	mm
D_a	min.	35	mm
D_a	max.	37	mm
r_a	max.	0.8	mm
r_b	max.	0.3	mm

Calculation data

Basic dynamic load rating	C	19	kN
Basic static load rating	C₀	32.5	kN
Fatigue load limit	P_u	4	kN
Reference speed		16000	r/min
Limiting speed		18000	r/min

Mass

Mass bearing

0.14

Designation

PNA 20/42

Model Number: PNA 20/42
Inner Diameter：20mm Outer Diameter：42mm Width：20mm
Reference speed:18000 r/min Limiting speed:16000 r/min
Type：Bearings, units and housings Roller bearings Needle roller bearings Alignment needle roller bearings
Details： Alignment needle roller bearings Alignment needle roller bearings, with an inner ring
Update date：2026-04-17
Application:medical equipment,outdoor equipment,Pest Monitoring,embroidery cloth,sawing machine,metal mold,luminescent reagent,sucker industry,linear drive,test laboratory equipment and accessories,Machine tool accessories
Similar models:PSM 152015 A51 K 90x97x20 PSMF 142014 A51 2206 E-2RS1KTN9 7204 ACD/P4A NUH 2320 ECMH K 55x60x20 SAFS 22520-11 x 3.3/8 T 52220 NU 2320 ECP
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90875	-	-	12.7	Seals
KR 22 XB	-	22	36	Bearings, units and housings
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SAF 22536 x 6.5/16 T	160.3375	-	-	Bearings, units and housings
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