Bearings, units and housings -- Plain bearings -- Bushings, thrust washers and strips -- Bushings -- SKF PSMF 121820 A51

PSMF 121820 A51

Dimensions

d	12	mm
D	18	mm
B	20	mm
D₁	24	mm
B₁	3	mm

Recommended fits

Tolerance shaft			h8
Tolerance housing			H7

Calculation data

Specific dynamic load factor	K		10	N/mm²
Specific static load factor	K₀		20	N/mm²
Permissible sliding velocity	v	min.	0.25	m/s
Permissible sliding velocity	v	max.	5	m/s
Coefficient of friction	µ	min.	0.05
Coefficient of friction	µ	max.	0.1

Mass

Mass bushing

0.023

Model Number: PSMF 121820 A51
Inner Diameter：12mm Outer Diameter：18mm Width：20mm
Reference speed:- Limiting speed:-
Type：Bearings, units and housings Plain bearings Bushings, thrust washers and strips Bushings
Details： Bushings
Update date：2026-04-16
Application:labor insurance,electronic components,security equipment,Other Measurements,test equipment,mechanical and electrical,sleep monitoring,equipment,Vertical pull,plastic molding,other accessories
Similar models:PSMF 121820 A51 PSM 121820 A51
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22x35x7 CRW1 V	22	35	7	Seals
350x400x25.4 HS5 R	350	400	25.4	Seals
410x450x20 HDS2 R	410	450	20	Seals
49951	127	155.58	12.7	Seals
71909 ACE/P4AH1	45	68	12	Bearings, units and housings
7311 BECBJ	55	120	29	Bearings, units and housings
9701	24.9936	37.9984	5.9944	Seals
BC4B 326366/HB1	380	540	-	Bearings, units and housings
FSAF 1311 T	55	-	-	Bearings, units and housings
NJ 19/530 ECM/HB1	530	710	82	Bearings, units and housings
PPM 101210	10	12	10	Bearings, units and housings
SAF 1522	100.0125	-	-	Bearings, units and housings

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Hot number： 33020 53414 M + U 414 7016 CE/P4AH1 71900 CE/P4AH 7224 BGAM 7248 BCBM 85x120x12 HMS5 V NNU 41/900 M/W33 NU 2218 ECML NU 411 SAF 22528 x 4.13/16 SHT 19 SNL 3134 W 618/1.5 W 637/8 R-2ZS