Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF BT4B 332981/HA4

BT4B 332981/HA4

Design

Design variant/feature

TQO.1/GWI

Dimensions

d		877.888	mm
D		1220	mm
B		844.55	mm
T		844.55	mm
d₁	≈	950	mm
D₁	≈	1090	mm
r_1,2	min.	4.8	mm
r_3,4	min.	12.7	mm

Calculation data

Basic dynamic load rating	C	28100	kN
Basic static load rating	C₀	76500	kN
Fatigue load limit	P_u	4550	kN
Comparative radial load rating	C_F	6950	kN
Comparative axial load rating	C_Fa	1140	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

3080

Model Number: BT4B 332981/HA4
Inner Diameter：877.888mm Outer Diameter：1220mm 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：2025-12-09
Application:food safety,Medium and large motor,hydraulic pump,other accessories,bathroom facilities,transportation equipment,Broadcasting System,injection molding machine,gear grinding machine,Spectrum Products,Rolling mill
Similar models:BT4B 332981/HA4
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SYK 30 TF	30	-	-	Bearings, units and housings

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Hot number： 120x140x12 HMSA10 RG 16101-2Z 22309 E 23192-2CS5/VT143 25x37x5 HMSA10 V 470331 6201-2RSH FY 506 M FYRP 1 11/16-3 NN 3038 K/SPW33 OH 39/1000 H SAF 22310 T SAF 22544 x 7.1/2 T SAW 23244 T SHR 16