Bearings, units and housings -- Bearing units -- Y-bearing units (ball bearing units) -- Y-bearing flanged units -- Y-bearing square flanged units SKF FY 55 LF

FY 55 LF

Housing material

Cast iron

Dimensions

d		55	mm
A		47.5	mm
A₁		16	mm
A₃	H14	3.2	mm
A₅		34	mm
B₁		49	mm
D_a	H11	150.8	mm
D_b1		122	mm
D_b2		134	mm
J		130	mm
L		162	mm
N		18	mm
s₁		29	mm
T		60	mm
Values for B₁ and s₁ before the grub screw is tightened (sleeve and inner ring bore at starting position).
Threaded hole
R_G		1/4-28 UNF
R₁		32	mm
Grease fitting
D_N		6.5	mm
SW_N		7	mm
G_N		1/4-28 SAE-LT
Dowel pins
J₆		148	mm
J₇		45	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

Mass

Mass bearing unit

3.25

Mounting information

Thread grub screw	G₂	M6
Hexagonal key size for grub screw	N	3	mm
Recommended tightening torque for grub screw		7.4	N·m
Recommended diameter for attachment bolts, mm	G	16	mm
Recommended diameter for attachment bolts, inch	G	0.625	in
Appropriate SKF mounting kit		626830

Appertaining products

Housing			FY 511 M
Bearing			YSP 211 SB-2F

Appropriate products

End cover

ECY 211

Model Number: FY 55 LF
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 flanged units
Details： Y-bearing flanged units Y-bearing square flanged units
Update date：2026-06-24
Application:Beauty and Body,chemical raw materials and reagents,Oral Equipment,rolling mill roll neck and slowdown device,Vertical pull,small appliances,raw material accessories,spreader series,medical equipment,centrifugal pump,Doppler
Similar models:PCM 250255100 M FY 55 TR PSM 455545 A51 PSM 354550 A51 PBM 253550 M1G1 PRMF 455045 BT4B 331553/HA1 PCM 455030 M BT2B 331554 B/HA1 RNAO 45x55x17
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Model No. Inner Diameter Outer Diameter Width Type

24883
311 NR
706 ACD/HCP4AH
HE 2310
IR 320x350x80

Purchase the SKF FY 55 LF Y-bearing square flanged units Please fill in the following

Hot number： 24x42x8 HMS5 RG 39585/39520 7030 CD/HCP4A 71914 CB/P4AL 7319 BECBM 84094 AOHX 30/600 AS 2035 BK 2016 GEZ 112 ES-2RS MS 31/800-750 PBM 13015090 M1G1 PCZ 0306 E SAL 50 TXE-2LS SY 25 TF/VA201

Model No.	Inner Diameter	Outer Diameter	Width	Type
24883
311 NR
706 ACD/HCP4AH
HE 2310
IR 320x350x80