Bearings, units and housings -- Bearing units -- Y-bearing units (ball bearing units) -- Y-bearing plummer block units -- Y-bearing plummer block units SKF SY 2.1/4 TF

SY 2.1/4 TF

Material

Cast iron

Dimensions

d		57.15	mm
A		60	mm
A₁		42	mm
A₅		39	mm
B		65.1	mm
H		137.5	mm
H₁		69.9	mm
H₂		26.5	mm
J		190.5	mm
J	max.	202	mm
J	min.	179	mm
L		240	mm
N		29.5	mm
N₁		18	mm
s₁		39.7	mm
Threaded hole
R_G		1/4-28 UNF
R₁		5.5	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		222	mm
J₇		21	mm
N₄		4	mm

Calculation data

Basic dynamic load rating	C	52.7	kN
Basic static load rating	C₀	36	kN
Fatigue load limit	P_u	1.53	kN
Limiting speed		3400	r/min

(with shaft tolerance h6)

Mass

Mass bearing unit

4.55

Mounting information

Hexagonal key size for grub screw	N	4.763	mm
Recommended tightening torque for grub screw		16.5	N·m
Recommended diameter for attachment bolts, mm	G	16	mm
Recommended diameter for attachment bolts, inch	G	0.625	in

Appertaining products

Housing			SY 512 M
Bearing			YAR 212-204-2F

Appropriate products

End cover

ECY 212

Model Number: SY 2.1/4 TF
Inner Diameter：57.15mm Outer Diameter：-mm Width：-mm
Reference speed:3400 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:standing experimental equipment,ECG,Laser Devices,small appliances,cooling system,rolling mill roll neck and slowdown device,Vacuum generator,safety testing,Oral Image,raw material accessories,quality inspection equipment
Similar models:SNL 3036 232/850 CAF/W33 PBMF 708560 M1G1 S7016 CE/P4A 6011 SAF 22618 x 3.1/4 TLC GE 40 TXE-2LS 71910 CE/P4A 23240 CC/W33 7010 CE/P4AL1
BEARING POWER International Trading Co.,Ltd. specialize in SY2.1/4TF products，there is large inventory of SKF SY 2.1/4 TF Y-bearing plummer block units. We has been built up long-term cooperation with SKF company, could make a bulk order of the SY 2.1/4 TF Which SKF SY2.1/4TF is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express. Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

Model No.	Inner Diameter	Outer Diameter	Width	Type
15451	38.989	50.0126	7.0104	Seals
217 NR	85	150	28	Bearings, units and housings
471451	1374	-	-	Seals
6028-Z	140	210	33	Bearings, units and housings
7216 CD/P4A	80	140	26	Bearings, units and housings
7x22x7 HMS5 V	7	22	7	Seals
BT4B 334020 G/HA4	317.5	438.15	-	Bearings, units and housings
K 89314 TN	70	125		Bearings, units and housings
NA 4906	30	47	17	Bearings, units and housings
NJ 212 ECM	60	110	22	Bearings, units and housings
SHT 100	100	-	-	Coupling systems
SONL 238-538	170	-	-	Bearings, units and housings

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