Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQI design SKF BT4B 332720/HA4

BT4B 332720/HA4

Design

Design variant/feature

TQIT.1

Dimensions

d		1004.634	mm
D		1308.1	mm
B		812.8	mm
T		730.25	mm
d₁	≈	1135	mm
D₁	≈	1260	mm
r_1,2	min.	12.7	mm
r_3,4	min.	3.3	mm

Tapered bore, taper 1:12

Calculation data

Basic dynamic load rating	C	24600	kN
Basic static load rating	C₀	76500	kN
Fatigue load limit	P_u	4400	kN
Comparative radial load rating	C_F	6550	kN
Comparative axial load rating	C_Fa	1080	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

3060

Model Number: BT4B 332720/HA4
Inner Diameter：1004.634mm Outer Diameter：1308.1mm 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：2026-04-17
Application:cooling system,Doppler,hydraulic actuator,medical equipment,Safety protection,Rolling mill,pump industry,sheet industry,Storage Tool,Gas turbine,office equipment
Similar models:BT4B 332720/HA4
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OKTC 325	-	510	-
PCM 556020 E	55	60	20	Bearings, units and housings
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SAFS 22522 x 3.7/8 T	98.425	-	-	Bearings, units and housings

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Hot number： 18732 211 NR 220 VA R 2206 EKTN9 + H 306 61830 BNTB 326247/HB1 GS 89326 IR 60x70x25 K 81134 TN KMTA 32 MB 38 PPM 161815 SAF 22640 x 7.1/8 SAFS 22515 x 2.3/8 TUJ 35 TF