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

SY 45 TR

Material

Cast iron

Dimensions

d		45	mm
A		48	mm
A₁		32	mm
A₅		23	mm
B		49.2	mm
H		107	mm
H₁		54	mm
H₂		21	mm
J		143.5	mm
J	max.	152	mm
J	min.	135	mm
L		187	mm
N		22.5	mm
N₁		14	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		173	mm
J₇		17	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		2400	r/min

(with shaft tolerance h6)

Mass

Mass bearing unit

2.1

Mounting information

Hexagonal key size for grub screw	N	4	mm
Recommended tightening torque for grub screw		6.5	N·m
Recommended diameter for attachment bolts, mm	G	12	mm
Recommended diameter for attachment bolts, inch	G	0.5	in

Appertaining products

Housing			SY 509 M
Bearing			YAR 209-2RF

Appropriate products

End cover

ECY 209

Model Number: SY 45 TR
Inner Diameter：45mm Outer Diameter：-mm Width：-mm
Reference speed:2400 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：2026-08-20
Application:boring bar boring bar,electric hydraulic lifting platform,orthodontic material,plastic molding,Forming mold,instrumentation instrument,security equipment,Machine Tool Accessories,Special Equipment,aerial work equipment,Garment Accessories
Similar models:BEAM 060145-2RZ SY 45 TF/VA228 SYNT 45 FW FYTB 45 TDW PWM 130145150 331945 PBMF 354535 M1G1 GEH 45 ESL-2LS T2ED 045 BT4B 328209 G/HA1C455
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Model No. Inner Diameter Outer Diameter Width Type

BD-231/800 CAK/W33-AOH 31/800
H 311 E
NKI 5/16 TN
PSM 556555 A51
W 630/3 R-2Z

Purchase the SKF SY 45 TR Y-bearing plummer block units Please fill in the following

Hot number： 13953 18025 19783 34x44x8 HMS5 RG 360x400x18 HDS1 V 400384 GS 81260 MB 17 A NCF 3038 CV NNCF 4922 CV OKBS 52 SAF 22624 x 4.1/8 SAF 22640 x 7.1/8 T SAFS 22536 x 6.3/8 TLC W 61913-2RS1

Model No.	Inner Diameter	Outer Diameter	Width	Type
BD-231/800 CAK/W33-AOH 31/800
H 311 E
NKI 5/16 TN
PSM 556555 A51
W 630/3 R-2Z