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 LF

SY 55 LF

Material

Cast iron

Dimensions

d		55	mm
A		60	mm
A₁		40	mm
A₅		34	mm
B₁		49	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		29	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		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

Mass

Mass bearing unit

3.35

Mounting information

Hexagonal key size for grub screw	N	3	mm
Recommended tightening torque for grub screw		7.4	N·m
Appropriate SKF mounting kit		626830
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			YSP 211 SB-2F

Appropriate products

End cover

ECY 211

Model Number: SY 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 plummer block units
Details： Y-bearing plummer block units Y-bearing plummer block units
Update date：2026-04-17
Application:pump,packing equipment,powder metallurgy,pipe fittings Steel industry,Sensors,air shower etc,steam Hydraulic control element,marine analysis and testing equipment,safety testing,stamping die and its equipment,tooth filling
Similar models:SYNT 55 LTS SYNT 55 L PRMF 10010550 NK 55/25 BT4-0040 E8/C355 PRMF 505550 PCM 15015580 M SYNT 55 LTF K 50x55x30 PRM 556040
BEARING POWER International Trading Co.,Ltd. specialize in SY55LF products，there is large inventory of SKF SY 55 LF Y-bearing plummer block units. We has been built up long-term cooperation with SKF company, could make a bulk order of the SY 55 LF Which SKF SY55LF is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express. Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

Model No.	Inner Diameter	Outer Diameter	Width	Type
29368	340	540	122	Bearings, units and housings
3203 A-2Z	17	40	17.5	Bearings, units and housings
6224-RS1	120	215	40	Bearings, units and housings
811/600 M/HB1	600	710	85	Bearings, units and housings
BTM 120 BTN9/P4CDB	120	180	54	Bearings, units and housings
HE 215	63.5	75	43	Bearings, units and housings
SAF 22544 x 8 TLC	203.2	-	-	Bearings, units and housings
S71922 CB/P4A	110	150	20	Bearings, units and housings
SAF 22513 T	55.5625	-	-	Bearings, units and housings
SAF 22534 x 6 T	152.4	-	-	Bearings, units and housings
SAF 22618 x 3.1/8	79.375	-	-	Bearings, units and housings
W 63806	30	42	10	Bearings, units and housings

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