Bearings, units and housings -- Bearing units -- Y-bearing units (ball bearing units) -- Y-bearing flanged units -- Y-bearing square flanged units SKF FYJ 50 KF

FYJ 50 KF

Order adapter sleeve separately
Housing material			Cast iron

Dimensions

d		45	mm
A		40	mm
A₁		15	mm
A₃	H14	3.2	mm
B₁		55	mm
D_a	H11	125.4	mm
D_b1		116	mm
D_b2		118	mm
J		111	mm
L		143	mm
N		16	mm
s₁	≈	31.1	mm
T		53.1	mm
Value for s₁ before the sleeve is driven into the bearing bore (sleeve and inner ring bore at starting position).
Threaded hole
R_G		1/4-28 UNF
R₁		22	mm
Grease fitting
D_N		6.5	mm
SW_N		7	mm
G_N		1/4-28 SAE-LT
Dowel pins
J₆		129	mm
J₇		35.5	mm
N₄		4	mm

Calculation data

Basic dynamic load rating	C	35.1	kN
Basic static load rating	C₀	23.2	kN
Fatigue load limit	P_u	0.98	kN
Limiting speed		4000	r/min

Mass

Mass bearing unit

2.55

Mounting information

Appropriate spanner		HN 10-11
Recommended lock nut tightening angle	a	115	°
Recommended diameter for attachment bolts, mm	G	14	mm
Recommended diameter for attachment bolts, inch	G	0.5625	in

Appertaining products

Housing			FYJ 510
Bearing			YSA 210-2FK
Adapter sleeve			H 2310

Model Number: FYJ 50 KF
Inner Diameter：45mm Outer Diameter：-mm Width：-mm
Reference speed:4000 r/min Limiting speed:-
Type：Bearings, units and housings Bearing units Y-bearing units (ball bearing units) Y-bearing flanged units
Details： Y-bearing flanged units Y-bearing square flanged units
Update date：2026-08-24
Application:Display Devices,pneumatic,Display Devices,raw material accessories,Doppler,mechanical and electrical,small diesel generators,Broadcasting System,fruit and vegetable processing,Flame Cutting,coal
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Model No. Inner Diameter Outer Diameter Width Type

33281/33462
6324-2Z
BT2B 334045/HA3
BD-C 2209 KTN9-AH 309
P 1. TR

Purchase the SKF FYJ 50 KF Y-bearing square flanged units Please fill in the following

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Model No.	Inner Diameter	Outer Diameter	Width	Type
33281/33462
6324-2Z
BT2B 334045/HA3
BD-C 2209 KTN9-AH 309
P 1. TR