Bearings, units and housings -- Bearing units -- Y-bearing units (ball bearing units) -- Y-bearing plummer block units -- Y-bearing plummer block units SKF SYJ 45 KF

SYJ 45 KF

Material

Cast iron

Order adapter sleeve separately

Dimensions

d		40	mm
A		52	mm
A₁		36	mm
B₁		50	mm
H		107.5	mm
H₁		54	mm
H₂		20	mm
J		143.5	mm
J	max.	151	mm
J	min.	136	mm
L		190	mm
N		24.5	mm
N₁		17	mm
s₁		29	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		4	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		174	mm
J₇		18	mm
N₄		4	mm

Calculation data

Basic dynamic load rating	C	33.2	kN
Basic static load rating	C₀	21.6	kN
Fatigue load limit	P_u	0.915	kN
Limiting speed		4300	r/min

Mass

Mass bearing unit

2.58

Mounting information

Appropriate spanner		HN 8-9
Recommended lock nut tightening angle	a	110	°
Recommended diameter for attachment bolts, mm	G	14	mm
Recommended diameter for attachment bolts, inch	G	0.5625	in

Appertaining products

Housing			SYJ 509
Bearing			YSA 209-2FK
Adapter sleeve			H 2309

Model Number: SYJ 45 KF
Inner Diameter：40mm Outer Diameter：-mm Width：-mm
Reference speed:4300 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：2026-06-24
Application:Performance test,tooth filling,spreader series,electromagnet,Technical Equipment,garden machinery,medical equipment,gantry processing,pump,lathe,Optical detection
Similar models:PRM 455040 PCM 140145120 E RSTO 45 PWM 130145120 FYTB 45 FM K 45x59x32 NAO 30x45x17 314518 B TU 45 TF 33217T145/DB
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Model No. Inner Diameter Outer Diameter Width Type

1400018
241/630 ECA/W33
719/9 CE/P4A
7205 BEP
7211 ACD/HCP4A

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Hot number： 100x130x12 HMS5 V 35x60x10 HMS5 V 351794 6004 NR 71876 ACGAMB 719/9 CE/HCP4AH 71915 CE/HCP4AL 87089 87783 FYTB 1.7/16 WDW HK 0709 NCF 1844 V NUP 209 ECM SSAFS 22232 T W 637/4 X

Model No.	Inner Diameter	Outer Diameter	Width	Type
1400018
241/630 ECA/W33
719/9 CE/P4A
7205 BEP
7211 ACD/HCP4A