Bearings, units and housings -- Bearing units -- Y-bearing units (ball bearing units) -- Y-bearing plummer block units -- Y-bearing plummer block units SKF SY 25 LF

SY 25 LF

Material

Cast iron

Dimensions

d		25	mm
A		36	mm
A₁		22	mm
A₅		18	mm
B₁		33	mm
H		70	mm
H₁		36.5	mm
H₂		16	mm
J		102	mm
J	max.	110	mm
J	min.	94	mm
L		130	mm
N		19.5	mm
N₁		11.5	mm
s₁		21	mm
Threaded hole
R_G		1/4-28 UNF
R₁		2	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		120	mm
J₇		13	mm
N₄		4	mm

Calculation data

Basic dynamic load rating	C	14	kN
Basic static load rating	C₀	7.8	kN
Fatigue load limit	P_u	0.335	kN
Limiting speed		7000	r/min

Mass

Mass bearing unit

0.72

Mounting information

Hexagonal key size for grub screw	N	2.5	mm
Recommended tightening torque for grub screw		4.2	N·m
Appropriate SKF mounting kit		626830
Recommended diameter for attachment bolts, mm	G	10	mm
Recommended diameter for attachment bolts, inch	G	0.375	in

Appertaining products

Housing			SY 505 M
Bearing			YSP 205 SB-2F

Appropriate products

End cover

ECY 205

Model Number: SY 25 LF
Inner Diameter：25mm Outer Diameter：-mm Width：-mm
Reference speed:7000 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:equipment,construction machinery and equipment,pneumatic Pump,medical equipment,horizontal processing,Optical Instruments,hydraulic connector,Sensors,shoe-making machinery,Surveying Surveying Instruments,Medical equipment
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Model No.	Inner Diameter	Outer Diameter	Width	Type
140 VS V	126	-	-	Seals
22244 CC/W33	220	400	108	Bearings, units and housings
6205/HR11QN	25	52	15	Bearings, units and housings
81188 M	440	540	80	Bearings, units and housings
AOH 3276 G	360	380	284	Bearings, units and housings
FY 1.1/2 FM	38.1	-	-	Bearings, units and housings
FYTWK 20 YTA	20	-	-	Bearings, units and housings
HJ 228 EC	140	179.6	18	Bearings, units and housings
NU 307 ECP	35	80	21	Bearings, units and housings
SAW 23518 x 3.1/8 T	79.375	-	-	Bearings, units and housings
SAW 23524 x 4.1/16	103.1875	-	-	Bearings, units and housings
SYR 2 15/16 N-118	74.6125	-	-	Bearings, units and housings

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