Bearings, units and housings -- Bearing units -- Y-bearing units (ball bearing units) -- Y-bearing plummer block units -- Y-bearing plummer block units SKF SY 55 FM

SY 55 FM

Material

Cast iron

Dimensions

d		55	mm
A		60	mm
A₁		40	mm
A₅		34	mm
B₁		48.4	mm
H		126	mm
H₁		63.5	mm
H₂		24	mm
J		171.5	mm
J	max.	181	mm
J	min.	162	mm
L		219	mm
N		27.5	mm
N₁		18	mm
s₁		35.9	mm
Threaded hole
R_G		1/4-28 UNF
R₁		4.5	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		201	mm
J₇		21	mm
N₄		4	mm

Calculation data

Basic dynamic load rating	C	43.6	kN
Basic static load rating	C₀	29	kN
Fatigue load limit	P_u	1.25	kN
Limiting speed		3600	r/min

(with shaft tolerance h6)

Mass

Mass bearing unit

3.25

Mounting information

Hexagonal key size for grub screw	N	5	mm
Recommended tightening torque for grub screw		16.5	N·m
Recommended diameter for attachment bolts, mm	G	16	mm
Recommended diameter for attachment bolts, inch	G	0.625	in

Appertaining products

Housing			SY 511 M
Bearing			YET 211

Appropriate products

End cover

ECY 211

Model Number: SY 55 FM
Inner Diameter：55mm Outer Diameter：-mm Width：-mm
Reference speed:3600 r/min 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 Y-bearing plummer block units
Update date：2026-04-18
Application:building decoration raw materials and accessories,Infrared Technology,Pneumatic Control Elements,fabric products,comprehensive experiment,power source,top industry,Hydraulic Hose,car instrument,plastic molding,filter paper products
Similar models:D/W RW155-2ZS SY 55 TF/VA201 PCM 707550 M PCM 040504 E/VB055 BT4B 328913 BG/HA1C555 D/W RW155 R PCM 556030 M PSMF 455535 A51 PBM 5570100 M1G1 D/W R155 R
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