Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF BT4B 331487 G/HA1

BT4B 331487 G/HA1

Design

Design variant/feature

TQO/GWI

Dimensions

d		260.35	mm
D		422.275	mm
B		314.325	mm
T		317.5	mm
d₁	≈	298	mm
D₁	≈	370	mm
r_1,2	min.	6.4	mm
r_3,4	min.	3.3	mm

Calculation data

Basic dynamic load rating	C	4130	kN
Basic static load rating	C₀	8000	kN
Fatigue load limit	P_u	710	kN
Comparative radial load rating	C_F	1100	kN
Comparative axial load rating	C_Fa	179	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

180

Model Number: BT4B 331487 G/HA1
Inner Diameter：260.35mm Outer Diameter：422.275mm 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：2021-06-05
Application:Surveying Surveying Instruments,rolling mill roll neck and slowdown device,Food testing,Reflective Materials Industrial fabrics,municipal machinery,Textile Accessories,power protection,natural instruments,wire industry,Medium and large motor,Tool
Similar models:BT4B 331487 G/HA1
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Model No.	Inner Diameter	Outer Diameter	Width	Type
29280	400	540	85	Bearings, units and housings
49951	127	155.58	12.7	Seals
99292	75.5396	82.169	25.4	Seals
BT4-0013 G/HA1C400VA903	206.375	282.575	-	Bearings, units and housings
D/W R1-4-2Z	1.984	6.35	3.571	Bearings, units and housings
FYRP 2 15/16-3	74.6125	-	-	Bearings, units and housings
IR 20x25x20.5	20	25	20.5	Bearings, units and housings
NJ 2322 ECP	110	240	80	Bearings, units and housings
NJG 2352 VH	260	540	165	Bearings, units and housings
NK 65/35	65	78	35	Bearings, units and housings
PSM 153030 A51	15	30	30	Bearings, units and housings
SNLN 3030	135	-	-	Bearings, units and housings

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