Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQI design SKF BT4B 332786/HA4

BT4B 332786/HA4

Design

Design variant/feature

TQIT.1

Dimensions

d		872.769	mm
D		1181.1	mm
B		714.375	mm
T		628.65	mm
d₁	≈	998	mm
D₁	≈	1130	mm
r_1,2	min.	9.7	mm
r_3,4	min.	1.5	mm

Tapered bore, taper 1:12

Calculation data

Basic dynamic load rating	C	20900	kN
Basic static load rating	C₀	57000	kN
Fatigue load limit	P_u	3550	kN
Comparative radial load rating	C_F	5600	kN
Comparative axial load rating	C_Fa	909	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

2450

Model Number: BT4B 332786/HA4
Inner Diameter：872.769mm Outer Diameter：1181.1mm 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, TQI design
Update date：2025-12-09
Application:Industrial,hot and cold box,internal combustion engine,medical equipment,CNC,fabric products,standing experimental equipment,rolling machine,Garment Accessories,storage shelves,Broadcasting System
Similar models:BT4B 332786/HA4
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Model No.	Inner Diameter	Outer Diameter	Width	Type
145x164x14 CRSA1 R	145	164	14	Seals
21211	53.975	77.75	12.7	Seals
22338 CCK/W33	190	400	132	Bearings, units and housings
400050	4	-	-	Seals
401901	171	-	-	Seals
50172	127	171.45	12.7	Seals
81124 TN	120	155	25	Bearings, units and housings
BGSB 358235	1200	1660	300	Bearings, units and housings
GB 3026	-	-	54	Bearings, units and housings
PSM 607590 A51	60	75	90	Bearings, units and housings
S71916 ACE/P4A	80	110	16	Bearings, units and housings
SYR 1 11/16-3	42.8625	-	-	Bearings, units and housings

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