Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF BT4B 328287 G/HA1

BT4B 328287 G/HA1

Design

Design variant/feature

TQO/GWI

Dimensions

d		457.073	mm
D		730.148	mm
B		412.75	mm
T		419.1	mm
d₁	≈	530	mm
D₁	≈	637	mm
r_1,2	min.	1.5	mm
r_3,4	min.	6.4	mm

Calculation data

Basic dynamic load rating	C	8970	kN
Basic static load rating	C₀	19600	kN
Fatigue load limit	P_u	1460	kN
Comparative radial load rating	C_F	2400	kN
Comparative axial load rating	C_Fa	456	kN
Thrust factor	K	1.49
Calculation factor	e	0.4
Calculation factor	Y₁	1.7
Calculation factor	Y₂	2.5
Calculation factor	Y₀	1.6

Mass

Mass bearing

630

Model Number: BT4B 328287 G/HA1
Inner Diameter：457.073mm Outer Diameter：730.148mm 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：2026-08-19
Application:impression material,garden machinery,Doppler,diving equipment,car shock absorber,Hair styling device,Vertical pull,printing machinery,glass processing machine,rock drilling machinery,training beds etc
Similar models:BT4B 328287 G/HA1
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Model No. Inner Diameter Outer Diameter Width Type

19360
216-2Z
71938 ACD/HCP4A
SSAFS 23048 KATLC x 9
W 609-2RZ

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Hot number： 16667 21208 BD-239/670 CAK/W33-OH 39/670 H 25x42x7 HMS5 V 403253 400251 40x72x7 HMS5 V 52x65x8 HMS5 RG 718/850 AMB 70/670 AMB GS 81230 K 81136 M NA 4922 OKBS 86 PCZ 2416 E

Model No.	Inner Diameter	Outer Diameter	Width	Type
19360
216-2Z
71938 ACD/HCP4A
SSAFS 23048 KATLC x 9
W 609-2RZ