Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF BT4B 331334/HA4

BT4B 331334/HA4

Design

Design variant/feature

TQO.1/GWI

Dimensions

d		1139.825	mm
D		1509.712	mm
B		923.925	mm
T		923.925	mm
d₁	≈	1220	mm
D₁	≈	1375	mm
r_1,2	min.	4.8	mm
r_3,4	min.	12.7	mm

Calculation data

Basic dynamic load rating	C	33600	kN
Basic static load rating	C₀	108000	kN
Fatigue load limit	P_u	5850	kN
Comparative radial load rating	C_F	9000	kN
Comparative axial load rating	C_Fa	1480	kN
Thrust factor	K	1.76
Calculation factor	e	0.31
Calculation factor	Y₁	2.2
Calculation factor	Y₂	3.3
Calculation factor	Y₀	2.2

Mass

Mass bearing

4840

Model Number: BT4B 331334/HA4
Inner Diameter：1139.825mm Outer Diameter：1509.712mm 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：2026-04-16
Application:metering pump,packaging machinery,Antenna Potentials,coal,pump industry,ventilation equipment,Processing machinery,Perfusion device,plastic molding,electric pump,air shower etc
Similar models:BT4B 331334/HA4
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Model No.	Inner Diameter	Outer Diameter	Width	Type
14641	37.3126	60.3	9.53	Seals
250x310x25 HDS1 R	250	310	25	Seals
400350	31	-	-	Seals
709 ACE/P4A	9	24	7	Bearings, units and housings
87271	-	-	53.98	Seals
FYTB 1.7/16 TDW	36.512	-	-	Bearings, units and housings
MBL 28	140	172	-	Bearings, units and housings
NJ 2310 ECP	50	110	40	Bearings, units and housings
RSTO 20	25	47	15.8	Bearings, units and housings
SAFS 23044 KATLC x 7.15/16	201.6125	-	-	Bearings, units and housings
SSAFS 22540 x 7.1/8 TLC	180.975	-	-	Bearings, units and housings
W 63801-2RZ	12	21	7	Bearings, units and housings

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