Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Double row tapered roller bearings -- Double row tapered roller bearings, TDI design SKF BT2B 328705/HA1

BT2B 328705/HA1

Design

Design variant/feature

TDI/Y2

Dimensions

d		390	mm
D		546.1	mm
T		141.288	mm
B		141.288	mm
d₁	≈	435	mm
D₁	≈	491	mm
r_1,2	min.	3.3	mm
r_3,4	min.	6.4	mm

Calculation data

Basic dynamic load rating	C	2339	kN
Basic static load rating	C₀	5100	kN
Fatigue load limit	P_u	405	kN
Calculation factor	e	0.48
Calculation factor	Y₁	1.4
Calculation factor	Y₂	2.1
Calculation factor	Y₀	1.4
Comparative radial load rating	C_F	570	kN
Comparative axial load rating	C_Fa	264	kN
Thrust factor	K	1.23

Mass

Mass bearing

102

Model Number: BT2B 328705/HA1
Inner Diameter：390mm Outer Diameter：546.1mm Width：-mm
Reference speed:- Limiting speed:-
Type：Bearings, units and housings Roller bearings Tapered roller bearings Double row tapered roller bearings
Details： Double row tapered roller bearings Double row tapered roller bearings, TDI design
Update date：2026-08-21
Application:joint protection,injection molding machine,printing machinery,garden machinery,sawing machine,scientific instruments,Spectrum Products,industrial fans,plastic molding,security equipment,Optical Instruments
Similar models:BT2B 328705/HA1
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Model No. Inner Diameter Outer Diameter Width Type

21320 EK
71804 ACD/HCP4
7226 CD/HCP4A
87789
SYE 3 1/2

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Model No.	Inner Diameter	Outer Diameter	Width	Type
21320 EK
71804 ACD/HCP4
7226 CD/HCP4A
87789
SYE 3 1/2