Bearings, units and housings -- Bearing units -- Y-bearing units (ball bearing units) -- Y-bearing plummer block units -- Y-bearing plummer block units SKF SY 40 LDW

SY 40 LDW

Material

Cast iron

Dimensions

d		40	mm
A		48	mm
A₁		30	mm
A₅		23.5	mm
B₁		42.9	mm
H		99	mm
H₁		49.2	mm
H₂		19	mm
J		135.5	mm
J	max.	146	mm
J	min.	125	mm
L		175	mm
N		24.5	mm
N₁		14	mm
s₁		25.9	mm
Values for B₁ and s₁ before the grub screw is tightened (sleeve and inner ring bore at starting position).
Dowel pins
J₆		161	mm
J₇		17	mm
N₄		4	mm

Calculation data

Basic dynamic load rating	C	30.7	kN
Basic static load rating	C₀	19	kN
Fatigue load limit	P_u	0.8	kN
Limiting speed		950	r/min

Mass

Mass bearing unit

1.8

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	12	mm
Recommended diameter for attachment bolts, inch	G	0.5	in

Appertaining products

Housing			SY 508 M/VZ033
Bearing			YSPAG 208

Appropriate products

End cover

ECY 208

Model Number: SY 40 LDW
Inner Diameter：40mm Outer Diameter：-mm Width：-mm
Reference speed:950 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：2025-11-27
Application:Laser Cutting,industrial equipment,centrifugal pump,insect experimental analysis instrument,Gas turbine,electronic components,key lock,joint protection,defogging and degreasing,Pump,Power equipment
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