Bearings, units and housings -- Bearing units -- Y-bearing units (ball bearing units) -- Y-bearing plummer block units -- Y-bearing plummer block units SKF SYJ 1.3/4 TF

SYJ 1.3/4 TF

Material

Cast iron

Dimensions

d		44.45	mm
A		52	mm
A₁		36	mm
B		49.2	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		30.2	mm
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

(with shaft tolerance h6)

Mass

Mass bearing unit

2.15

Mounting information

Hexagonal key size for grub screw	N	3.969	mm
Recommended tightening torque for grub screw		6.5	N·m
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			YAR 209-112-2F

Model Number: SYJ 1.3/4 TF
Inner Diameter：44.45mm 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：2026-04-17
Application:Rolling mill,Machine Tool Accessories,industry test,wheel lathe,security equipment,woodworking machinery,stamping die,Tool,injection molding machine,organic raw materials,equipment
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SY 55 LF	55	-	-	Bearings, units and housings
SYFWK 505 L	-	-	-	Bearings, units and housings

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