Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF BT4B 328828 G/HA1

BT4B 328828 G/HA1

Design

Design variant/feature

TQO/GWI

Dimensions

d		304.648	mm
D		438.048	mm
B		280.99	mm
T		279.4	mm
d₁	≈	337	mm
D₁	≈	385	mm
r_1,2	min.	2	mm
a		15	°
r_3,4	min.	4.8	mm

Calculation data

Basic dynamic load rating	C	3080	kN
Basic static load rating	C₀	6950	kN
Fatigue load limit	P_u	585	kN
Comparative radial load rating	C_F	815	kN
Comparative axial load rating	C_Fa	190	kN
Thrust factor	K	1.24
Calculation factor	e	0.48
Calculation factor	Y₁	1.4
Calculation factor	Y₂	2.1
Calculation factor	Y₀	1.4

Mass

Mass bearing

135

Model Number: BT4B 328828 G/HA1
Inner Diameter：304.648mm Outer Diameter：438.048mm 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:paint paint,Hair styling device,Cylinder Type,Broadcasting System,air conditioning tools,decoration machinery,Embroidery,Optical detection,pipe fittings Steel industry,quality inspection equipment,tower crane
Similar models:BT4B 328828 G/HA1
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14359	36.5252	61.9	6.35	Seals
2210 ETN9	50	90	23	Bearings, units and housings
170 VA R	153	-	-	Seals
50x85x8 CRW1 R	50	85	8	Seals
53415 M + U 415	75	160	69	Bearings, units and housings
90841	-	-	40	Seals
BD-C 2217 K-AHX 317	80	150	36	Bearings, units and housings
NNCL 4926 CV	130	180	50	Bearings, units and housings
NU 207 ECM	35	72	17	Bearings, units and housings
SAF 22511 x 1.7/8	47.625	-	-	Bearings, units and housings
SAFS 22532 x 5.1/2 T	139.7	-	-	Bearings, units and housings
W 61702 R	15	21	4	Bearings, units and housings

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