Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF BT4-8111 E2/C725

BT4-8111 E2/C725

Design

Design variant/feature

TQOSN/GWISI

Dimensions

d		460	mm
D		610	mm
B		360	mm
T		360	mm
d₁	≈	488	mm
D₁	≈	562	mm
r_1,2	min.	1.5	mm
r_3,4	min.	6	mm

Calculation data

Basic dynamic load rating	C	6800	kN
Basic static load rating	C₀	14300	kN
Fatigue load limit	P_u	1100	kN
Comparative radial load rating	C_F	1430	kN
Comparative axial load rating	C_Fa	236	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

279

Model Number: BT4-8111 E2/C725
Inner Diameter：460mm Outer Diameter：610mm 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：2021-06-09
Application:office outdoor camping equipment,ship special,air shower etc,X-ray Equipment,Individual Wire,medical equipment,disposable,Security Equipment,reinforced machinery,electric pump,stamping die
Similar models:GS 81110 GS 81112 K 81117 TN K 81116 TN WS 81115 81117 TN 81116 TN 81113 TN WS 81118 WS 81112
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1150550	292.1	342.9	20.65	Seals
23028 CCK/W33 + AHX 3028	135	210	53	Bearings, units and housings
238/1000 CAKMA/W20	1000	1220	165	Bearings, units and housings
50x65x10 HMSA10 V	50	65	10	Seals
50x80x10 HMSA10 RG	50	80	10	Seals
5652	14.3002	28.55	6.35	Seals
6203-ZNR	17	40	12	Bearings, units and housings
65x85x10 HMS5 V	65	85	10	Seals
NCF 2332 ECJB/PEX	160	340	114	Bearings, units and housings
PBMF 557050 M1G1	55	70	50	Bearings, units and housings
S7007 ACD/HCP4A	35	62	14	Bearings, units and housings
S7200 ACD/P4A	10	30	9	Bearings, units and housings

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