Bearings, units and housings -- Bearing units -- Y-bearing units (ball bearing units) -- Y-bearing plummer block units -- Plummer block housings for Y-bearings SKF SY 503 M

SY 503 M

Material

Cast iron

Dimensions

D		40	mm
H₁		30.2	mm
A		32	mm
A₁		18	mm
H		57	mm
H₂		14	mm
J		97	mm
J	max.	106	mm
J	min.	88	mm
L		127	mm
N		20.5	mm
N₁		11.5	mm
Threaded hole
R_G		1/4-28 UNF
R₁		1	mm
R_a		45	°
Grease fitting
D_N		6.5	mm
SW_N		7	mm
G_N		1/4-28 SAE-LT
Dowel pins
J₆		118	mm
J₇		11.5	mm
N₄		2	mm

Mass

Mass housing

0.37

Mounting information

Recommended diameter for attachment bolts, mm	G		10	mm
Recommended diameter for attachment bolts, inch	G		0.375	in

Model Number: SY 503 M
Inner Diameter：-mm Outer Diameter：-mm Width：-mm
Reference speed:- Limiting speed:-
Type：Bearings, units and housings Bearing units Y-bearing units (ball bearing units) Y-bearing plummer block units
Details： Y-bearing plummer block units Plummer block housings for Y-bearings
Update date：2026-04-21
Application:ship special,Power equipment,pneumatic Pump,knitted fabrics,DC generators,coal mill,metering pump,suction nozzle,Embroidery,Pneumatic Actuator,stirrer
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Model No.	Inner Diameter	Outer Diameter	Width	Type
22x40x10 HMS5 V	22	40	10	Seals
48692	123.825	152.43	12.7	Seals
51080 F	400	440	30	Bearings, units and housings
71920 ACB/P4A	100	140	20	Bearings, units and housings
91300	-	-	63.5	Seals
99605	154.0002	161.925	29.9974	Seals
GEH 25 TXE-2LS	25	47	18	Bearings, units and housings
GS 81122	110	145	7	Bearings, units and housings
HA 316	68.2625	105	59	Bearings, units and housings
NJ 219 ECP	95	170	32	Bearings, units and housings
PBMF 607535 M1G1	60	75	35	Bearings, units and housings
S7215 ACD/HCP4A	75	130	25	Bearings, units and housings

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Hot number： 312-ZNR 35x58x10 HMS5 V 60x80x9 CRSHA1 R 807115 FYTB 1.1/4 FM K 25x30x26 ZW HE 322 E LM 12749/710 NU 2209 ECJ NU 2220 ECNML NUP 211 ECML S71919 CB/P4A SAF 22238 SAF 22616 x 2.3/4 T SNW 3038x6.7/8