Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF BT4B 331089 CG/HA1

BT4B 331089 CG/HA1

Design

Design variant/feature

TQON/GW

Dimensions

d		685.8	mm
D		876	mm
B		352.425	mm
T		355.6	mm
d₁	≈	730	mm
D₁	≈	805	mm
r_1,2	min.	3.3	mm
r_3,4	min.	6.4	mm

Calculation data

Basic dynamic load rating	C	7810	kN
Basic static load rating	C₀	22000	kN
Fatigue load limit	P_u	1500	kN
Comparative radial load rating	C_F	1900	kN
Comparative axial load rating	C_Fa	393	kN
Thrust factor	K	1.4
Calculation factor	e	0.43
Calculation factor	Y₁	1.6
Calculation factor	Y₂	2.3
Calculation factor	Y₀	1.6

Mass

Mass bearing

525

Model Number: BT4B 331089 CG/HA1
Inner Diameter：685.8mm Outer Diameter：876mm 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：2026-04-17
Application:miscellaneous instruments,Industrial,noise reduction equipment,survey accessories,marine analysis and testing equipment,Gas turbine,climb ladder,Handling machinery and various industrial machinery,Pneumatic Control Valves,atomizer class,industrial fans
Similar models:BT4B 331089 CG/HA1 BT4B 331089 A/HA4
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Model No.	Inner Diameter	Outer Diameter	Width	Type
23148-2CS5K/VT143	240	400	128	Bearings, units and housings
25652	65.0748	92.075	11.125	Seals
32583	82.55	126.97	11.13	Seals
725 VA V	670	-	-	Seals
AS 1024	10	24	1	Bearings, units and housings
IR 110x120x30 EGS	110	120	30	Seals
KRVE 72 PPA	-	72	80	Bearings, units and housings
OKCX 260	260		-
S71919 ACD/P4A	95	130	18	Bearings, units and housings
SYE 2 15/16-3	74.6125	-	-	Bearings, units and housings
T7FC 070	70	140	39	Bearings, units and housings
W 607-2RS1	7	19	6	Bearings, units and housings

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