Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF BT4B 331372/HA4

BT4B 331372/HA4

Design

Design variant/feature

TQO.1/GWI

Dimensions

d		1003.3	mm
D		1358.9	mm
B		800.1	mm
T		800.1	mm
d₁	≈	1080	mm
D₁	≈	1240	mm
r_1,2	min.	4.8	mm
r_3,4	min.	12.7	mm

Calculation data

Basic dynamic load rating	C	27500	kN
Basic static load rating	C₀	81500	kN
Fatigue load limit	P_u	4750	kN
Comparative radial load rating	C_F	7350	kN
Comparative axial load rating	C_Fa	1140	kN
Thrust factor	K	1.83
Calculation factor	e	0.31
Calculation factor	Y₁	2.2
Calculation factor	Y₂	3.3
Calculation factor	Y₀	2.2

Mass

Mass bearing

3450

Model Number: BT4B 331372/HA4
Inner Diameter：1003.3mm Outer Diameter：1358.9mm 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:historical instruments,power source,labor insurance,Flame Cutting,cooling system,mechanical annex,walking Food processing machinery and equipment,non-ferrous metal alloy,Hydraulic Press,enzyme,industrial equipment
Similar models:BT4B 331372/HA4
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Model No.	Inner Diameter	Outer Diameter	Width	Type
16091	41.275	60.3	7.95	Seals
316967	700	930	-	Bearings, units and housings
331169 BG	457.2	596.9	-	Bearings, units and housings
60x85x10 HMS5 V	60	85	10	Seals
61820-2RZ	100	125	13	Bearings, units and housings
85846	-	-	44.45	Seals
AXK 0515 TN	5	15	2	Bearings, units and housings
BD-C 3044 K-OH 3044 H	200	340	90	Bearings, units and housings
FY 30 LF	30	-	-	Bearings, units and housings
H 219	85	125	55	Bearings, units and housings
NU 360 ECM	300	620	109	Bearings, units and housings
NU 412	60	150	35	Bearings, units and housings

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