Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQI design SKF BT4B 332943/HA4

BT4B 332943/HA4

Design

Design variant/feature

TQIT.1

Dimensions

d		744.538	mm
D		1035.05	mm
B		812.8	mm
T		727.075	mm
d₁	≈	858	mm
D₁	≈	987	mm
r_1,2	min.	9.7	mm
r_3,4	min.	1.5	mm

Tapered bore, taper 1:12

Calculation data

Basic dynamic load rating	C	20500	kN
Basic static load rating	C₀	58500	kN
Fatigue load limit	P_u	3600	kN
Comparative radial load rating	C_F	5500	kN
Comparative axial load rating	C_Fa	909	kN
Thrust factor	K	1.76
Calculation factor	e	0.33
Calculation factor	Y₁	2
Calculation factor	Y₂	3
Calculation factor	Y₀	2

Mass

Mass bearing

2350

Model Number: BT4B 332943/HA4
Inner Diameter：744.538mm Outer Diameter：1035.05mm 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：2026-08-20
Application:wheel lathe,coal mill,rubber products machinery and equipment,intermediate,boring bar boring bar,relay,directional control valve,construction machinery and equipment,non-motor vehicle Electric car,extruder,Vertical machining
Similar models:BT4B 332943/HA4
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Model No. Inner Diameter Outer Diameter Width Type

100x140x12 HMS5 V
32424
5606
BT4-8070 G/HA1VA901
SYNT 45 L

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Hot number： 217-2Z 275x310x16 HDS1 R 3060 39997 400905 6006/HR11QN 810 VRME R BC2B 326196/HA1VJ202 BC4B 326261/HA1 NJ 3884 MA NU 19/670 ECMA RMS 28 SAF 22217 T YET 209-110 Z 011 F

Model No.	Inner Diameter	Outer Diameter	Width	Type
100x140x12 HMS5 V
32424
5606
BT4-8070 G/HA1VA901
SYNT 45 L