Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Matched tapered roller bearings -- Matched single row tapered roller bearings arranged face-to-face SKF 30228/DF

30228/DF

Dimensions

d		140	mm
D		250	mm
T		91.5	mm
2B		84	mm
b		10	mm
K		7.5	mm
r_3,4	min.	3	mm
r₅	min.	1	mm

Abutment dimensions

d_a	max.	164	mm
D_a	min.	219	mm
D_a	max.	236.5	mm
C_a	min.	8	mm
r_a	max.	3	mm
r_c	max.	1	mm

Calculation data

Basic dynamic load rating	C	773	kN
Basic static load rating	C₀	1140	kN
Fatigue load limit	P_u	116	kN
Reference speed		1500	r/min
Limiting speed		2600	r/min
Calculation factor	e	0.43
Calculation factor	Y₁	1.6
Calculation factor	Y₂	2.3
Calculation factor	Y₀	1.6

Mass

Mass bearing pair

17.9

Model Number: 30228/DF
Inner Diameter：140mm Outer Diameter：250mm Width：-mm
Reference speed:2600 r/min Limiting speed:1500 r/min
Type：Bearings, units and housings Roller bearings Tapered roller bearings Matched tapered roller bearings
Details： Matched tapered roller bearings Matched single row tapered roller bearings arranged face-to-face
Update date：2025-12-09
Application:air purification,hydraulic connector,tire industry,light therapy instrument,glass,packing equipment,security equipment,survey accessories,standing experimental equipment,printing machinery,Insect Count
Similar models:30228 30228T106/DB 30228T102/DB 30228/DF
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Model No.	Inner Diameter	Outer Diameter	Width	Type
1000 VL V	910	-	-	Seals
190x220x12 HMS5 V1	190	220	12	Seals
32x47x8 HMSA10 RG	32	47	8	Seals
40x52x6 HMSA10 V	40	52	6	Seals
45x80x8 CRW1 R	45	80	8	Seals
7213 BECBY	65	120	23	Bearings, units and housings
N 28/630 ECMB/HB1	630	780	88	Bearings, units and housings
OKC 840	840		-
QJ 308 N2PHAS	40	90	23	Bearings, units and housings
RNA 6918	105	125	63	Bearings, units and housings
RNAO 20x28x26	20	28	26	Bearings, units and housings
SAF 22622 x 3.13/16 TLC	96.8375	-	-	Bearings, units and housings

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