Bearings, units and housings -- Bearing units -- Y-bearing units (ball bearing units) -- Y-bearing plummer block units -- Y-bearing plummer block units SKF SYJ 50 KF

SYJ 50 KF

Material

Cast iron

Order adapter sleeve separately

Dimensions

d		45	mm
A		58	mm
A₁		38	mm
B₁		55	mm
H		114	mm
H₁		57.2	mm
H₂		22	mm
J		157.5	mm
J	max.	164	mm
J	min.	151	mm
L		206	mm
N		26.5	mm
N₁		20	mm
s₁		31.1	mm
Values for s1 before the sleeve is driven into the bearing bore (sleeve and inner ring bore at starting position).
Threaded hole
R_G		1/4-28 UNF
R₁		3.5	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		190	mm
J₇		21	mm
N₄		4	mm

Calculation data

Basic dynamic load rating	C	35.1	kN
Basic static load rating	C₀	23.2	kN
Fatigue load limit	P_u	0.98	kN
Limiting speed		4000	r/min

Mass

Mass bearing unit

3.31

Mounting information

Appropriate spanner		HN 10-11
Recommended lock nut tightening angle	a	115	°
Recommended diameter for attachment bolts, mm	G	16	mm
Recommended diameter for attachment bolts, inch	G	0.625	in

Appertaining products

Housing			SYJ 510
Bearing			YSA 210-2FK
Adapter sleeve			H 2310

Model Number: SYJ 50 KF
Inner Diameter：45mm Outer Diameter：-mm Width：-mm
Reference speed:4000 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：2026-04-16
Application:horizontal processing,food sterilization,medical equipment,non-ferrous metal alloy,Energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving,baler,X-ray Equipment,Machine Tool Accessories,dynamic blood pressure,mechanical annex,impression material
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