Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF TQO design

BT4-8121 E/C600

SKF Explorer

Design

Design variant/feature

TQON/GW

Dimensions

d		785	mm
D		1010	mm
B		600	mm
T		600	mm
d₁	≈	819	mm
D₁	≈	917	mm
r_1,2	min.	3	mm
r_3,4	min.	6	mm

Calculation data

Basic dynamic load rating	C	16600	kN
Basic static load rating	C₀	43000	kN
Fatigue load limit	P_u	2700	kN
Comparative radial load rating	C_F	3550	kN
Comparative axial load rating	C_Fa	797	kN
Thrust factor	K	1.28
Calculation factor	e	0.46
Calculation factor	Y₁	1.5
Calculation factor	Y₂	2.2
Calculation factor	Y₀	1.4

Mass

Mass bearing

1213

Model Number: TQO design
Inner Diameter：785mm Outer Diameter：1010mm 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:engineering machine,Small air generators,turret industry,Seals,marine analysis,raw material accessories,lifting upgrade,security equipment,chuck industry,Generator,Hydraulic Equipment
Similar models:4202 ATN9 708 ACE/P4AH FY 1.3/4 DTF S71911 CD/HCP4A SYR 3-3 240/560 ECAK30/W33 SALA 40 TXE-2LS 24122 CCK30/W33 NJG 2307 VH K 32x37x17
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Model No.	Inner Diameter	Outer Diameter	Width	Type
100x145x12 HMS5 RG	100	145	12	Seals
175x200x15 HMSA10 V	175	200	15	Seals
240/850 ECAK30/W33	850	1220	365	Bearings, units and housings
6130	15.875	23.8	4.78	Seals
65x90x10 HMS5 V	65	90	10	Seals
K 89315 TN	75	135		Bearings, units and housings
KML 28	22	-	140	Bearings, units and housings
PSMF 202816 A51	20	28	16	Bearings, units and housings
SAF 1511 x 2 T	50.8	-	-	Bearings, units and housings
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SNL 3068 ATURT	315.9125	-	-	Bearings, units and housings
W 61905 R-2Z	25	42	9	Bearings, units and housings

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