Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF BT4B 332078/HA4

BT4B 332078/HA4

Design

Design variant/feature

TQO.1/GWI

Dimensions

d		1500	mm
D		1900	mm
B		1080	mm
T		1080	mm
d₁	≈	1575	mm
D₁	≈	1750	mm
r_1,2	min.	4	mm
r_3,4	min.	12	mm

Calculation data

Basic dynamic load rating	C	46800	kN
Basic static load rating	C₀	170000	kN
Fatigue load limit	P_u	8300	kN
Comparative radial load rating	C_F	12500	kN
Comparative axial load rating	C_Fa	2140	kN
Thrust factor	K	1.68
Calculation factor	e	0.35
Calculation factor	Y₁	1.9
Calculation factor	Y₂	2.9
Calculation factor	Y₀	1.8

Mass

Mass bearing

7700

Model Number: BT4B 332078/HA4
Inner Diameter：1500mm Outer Diameter：1900mm Width：-mm
Reference speed:- Limiting speed:-
Type：Bearings, units and housings Roller bearings Tapered roller bearings Four-row tapered roller bearings
Details： Four-row tapered roller bearings Four-row tapered roller bearings, TQO design
Update date：2026-04-16
Application:lathe,pneumatic,sewage pump,circulating pump,vertical processing,clean stationery,turret industry,survey accessories,air purification,meat products machine,rolling mill roll neck and slowdown device
Similar models:BT4B 332078/HA4
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