Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF BT4B 328704 G/HA1

BT4B 328704 G/HA1

Design

Design variant/feature

TQOE/GWI

Dimensions

d		685.8	mm
D		876.3	mm
B		434.975	mm
T		355.6	mm
d₁	≈	730	mm
D₁	≈	803	mm
r_1,2	min.	3.3	mm
r_3,4	min.	1.5	mm

Calculation data

Basic dynamic load rating	C	7210	kN
Basic static load rating	C₀	22000	kN
Fatigue load limit	P_u	1500	kN
Comparative radial load rating	C_F	1900	kN
Comparative axial load rating	C_Fa	393	kN
Thrust factor	K	1.4
Calculation factor	e	0.43
Calculation factor	Y₁	1.6
Calculation factor	Y₂	2.3
Calculation factor	Y₀	1.6

Mass

Mass bearing

580

Model Number: BT4B 328704 G/HA1
Inner Diameter：685.8mm Outer Diameter：876.3mm 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：2021-06-03
Application:chemical,food sterilization,Reflective Materials Industrial fabrics,Flame Cutting,drawing die,tapered grinder,chuck industry,forming machine,blood cell reagent,Logistics Equipment,miscellaneous instruments
Similar models:BT4B 328704 G/HA1
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Model No.	Inner Diameter	Outer Diameter	Width	Type
12x19x5 HMS5 RG1	12	19	5	Seals
16004/HR22T2	20	42	8	Bearings, units and housings
62/28	28	58	16	Bearings, units and housings
7013 ACE/HCP4AL1	65	100	18	Bearings, units and housings
7015 ACD/P4A	75	115	20	Bearings, units and housings
75x95x10 HMS5 V	75	95	10	Seals
BK 1010	10	14	10	Bearings, units and housings
HJ 238 EC	190	244.2	21.5	Bearings, units and housings
NCF 2938 CV	190	260	42	Bearings, units and housings
OKBS 105	105	-	-
PCM 120125100 M	120	125	100	Bearings, units and housings
SNP 3276x14	355.6	360	301.4218	Bearings, units and housings

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