Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQI design SKF BT4B 332997 B/HA1

BT4B 332997 B/HA1

Design

Design variant/feature

TQINT

Dimensions

d		287.5	mm
D		440	mm
B		330.3	mm
T		284	mm
d₁	≈	349	mm
D₁	≈	416	mm
r_1,2	min.	4	mm
r_3,4	min.	1	mm

Tapered bore, taper 1:12

Calculation data

Basic dynamic load rating	C	4180	kN
Basic static load rating	C₀	8500	kN
Fatigue load limit	P_u	735	kN
Comparative radial load rating	C_F	1120	kN
Comparative axial load rating	C_Fa	193	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

180

Model Number: BT4B 332997 B/HA1
Inner Diameter：287.5mm Outer Diameter：440mm 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, TQI design
Update date：2025-12-09
Application:auto tools,forming machine,engine,noise reduction equipment,steam Hydraulic control element,building decoration raw materials and accessories,large agricultural machinery,Roller,Broadcasting System,Hydraulic Hose,decoration machinery
Similar models:BT4B 332997/HA1 BT4B 332997 B/HA1
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