Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF BT4-8123 E/C775

BT4-8123 E/C775

Design

Design variant/feature

TQON/GW

Dimensions

d		560	mm
D		920	mm
B		618	mm
T		618	mm
d₁	≈	642	mm
D₁	≈	754	mm
r_1,2	min.	7.5	mm
r_3,4	min.	7.5	mm

Calculation data

Basic dynamic load rating	C	17300	kN
Basic static load rating	C₀	39000	kN
Fatigue load limit	P_u	2550	kN
Comparative radial load rating	C_F	3750	kN
Comparative axial load rating	C_Fa	602	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

1795

Model Number: BT4-8123 E/C775
Inner Diameter：560mm Outer Diameter：920mm 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:heating fans,metallurgical mold,Gas turbine,water protection,plastic rolling,Rolling mill,natural instruments,experimental equipment,dye pigments,Broadcasting System,office outdoor camping equipment
Similar models:GS 81234 K 81238 M WS 81232 GS 81236 81236 M 81230 M WS 81234 81234 M WS 81230 K 81232 M
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Model No.	Inner Diameter	Outer Diameter	Width	Type
29268	340	460	73	Bearings, units and housings
32210	50	90	24.75	Bearings, units and housings
45x72x10 HMSA10 V	45	72	10	Seals
48726	123.825	155.6	12.7	Seals
607-2RSH	7	19	6	Bearings, units and housings
71909 CB/HCP4A	45	68	12	Bearings, units and housings
7439	19.05	31.75	4.78	Seals
FYC 509	-	-	-	Bearings, units and housings
FYTB 1. TF	25.4	-	-	Bearings, units and housings
NUP 230 ECJ	150	270	45	Bearings, units and housings
PPM 141620	14	16	20	Bearings, units and housings
SAF 22516 x 2.3/4	69.85	-	-	Bearings, units and housings

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