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：2025-12-02
Application:enzyme,Handling machinery and various industrial machinery,DC generators,coal,Machine Tool Accessories,roller lathe,spectrometer,large agricultural machinery,,Laser Measurements,experimental equipment
Similar models:FYK 25 TR FYTB 25 WDW SAFS 22530 x 5.5/16 T W 625 LR 20x25x16.5 FYTJ 25 TF SSAFS 22544 x 7.13/16 PBM 182516 M1G1 IR 65x73x25 SAF 22515 x 2.1/2 TLC
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Model No.	Inner Diameter	Outer Diameter	Width	Type
30204	20	47	15.25	Bearings, units and housings
31320 X/DF	100	215	-	Bearings, units and housings
4303 ATN9	17	47	19	Bearings, units and housings
450x500x20 HDS1 R	450	500	20	Seals
593629	298.45	-	-	Seals
61840	200	250	24	Bearings, units and housings
85x130x12 HMSA10 V	85	130	12	Seals
D/W R1-5-2Z	2.38	7.938	3.571	Bearings, units and housings
D/W RW3	4.762	12.7	4.762	Bearings, units and housings
FY 35 WF	35	-	-	Bearings, units and housings
NNCL 4948 CV	240	320	80	Bearings, units and housings
SAF 22540 T	182.5625	-	-	Bearings, units and housings

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