Bearings, units and housings -- Bearing units -- Y-bearing units (ball bearing units) -- Y-bearing plummer block units -- Y-bearing plummer block units SKF SYJ 20 TF

SYJ 20 TF

Material

Cast iron

Dimensions

d		20	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

0.55

Mounting information

Hexagonal key size for grub screw	N	3	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 204-2F

Model Number: SYJ 20 TF
Inner Diameter：20mm 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：2026-04-20
Application:office equipment,agriculture,magnetic elements,Material handling equipment,Industrial,Ball screw,cooling system,power tools,raw material accessories,forklift industry,pneumatic Pump
Similar models:IR 20x25x30 HK 2020 RNAO 40x55x20 NJ 207 ECP 238/1000 CAKMA/W20 249/1120 CAF/W33 RSTO 20 C 2209 TN9 NU 1030 M/C3VL2071 30205
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