Bearings, units and housings -- Bearing units -- Y-bearing units (ball bearing units) -- Y-bearing plummer block units -- Y-bearing plummer block units SKF SYJ 3/4 TF

SYJ 3/4 TF

Material

Cast iron

Dimensions

d		19.05	mm
A		34	mm
A₁		23	mm
B		31	mm
H		64.5	mm
H₁		33.3	mm
H₂		14	mm
J		97	mm
J	max.	105	mm
J	min.	89	mm
L		127	mm
N		21	mm
N₁		13	mm
s₁		18.3	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		118	mm
J₇		12.5	mm
N₄		2	mm

Calculation data

Basic dynamic load rating	C	12.7	kN
Basic static load rating	C₀	6.55	kN
Fatigue load limit	P_u	0.28	kN
Limiting speed		8500	r/min

(with shaft tolerance h6)

Mass

Mass bearing unit

0.58

Mounting information

Hexagonal key size for grub screw	N	3.175	mm
Recommended tightening torque for grub screw		4	N·m
Recommended diameter for attachment bolts, mm	G	10	mm
Recommended diameter for attachment bolts, inch	G	0.375	in

Appertaining products

Housing			SYJ 504
Bearing			YAR 204-012-2F

Model Number: SYJ 3/4 TF
Inner Diameter：19.05mm Outer Diameter：-mm Width：-mm
Reference speed:8500 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:boring bar boring bar,extruder,Small air generators,stacker lift platform,marine test,E Beauty,orthodontic material,agriculture,Equipment,key lock,lifting equipment Hoisting hoist
Similar models:HA 3024 71924 CD/HCP4A NU 19/560 ECMA SYE 1 15/16 N W 61813 NU 3156 ECMA PWKR 47.2RS SILQG 200 ES NN 3092 K/SPW33 6021 N
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Model No.	Inner Diameter	Outer Diameter	Width	Type
108x170x15 HMSA10 RG	108	170	15	Seals
2317 M	85	180	60	Bearings, units and housings
BD-22380 CAK/W33-AOH 3280 G	380	820	243	Bearings, units and housings
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71944 CD/HCP4AL	220	300	38	Bearings, units and housings
79997	203.2	234.95	15.88	Seals
BTM 130 ATN9/P4CDB	130	200	63	Bearings, units and housings
FYTB 20 TF	20	-	-	Bearings, units and housings
NNCL 4922 CV	110	150	40	Bearings, units and housings
NU 2219 ECM	95	170	43	Bearings, units and housings
PSMF 152212 A51	15	22	12	Bearings, units and housings

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