20228-K-MB-C3FAGSpherical Roller

Name: FAG 20228-K-MB-C3 Spherical Roller Bearing
Brand: FAG
SKU: 20228-K-MB-C3

20228-K-MB-C3 is a FAG spherical roller bearing, bore 140 mm, O.D. 250 mm, width 42 mm. Dimensions, drawing, interchanges and price.

Tapered boreC3 clearanceBrass cage

Request a quote WhatsApp Email us Search the catalog

Bore d140mm

Outside dia. D250mm

Width B42mm

Dynamic Cr395kN

Static C0r540kN

Limiting speed3,050rpm

Weight8.98kg

Cr / C0r0.73

Mean dia. dm195mm

Original catalogue drawing - FAG Schaeffler HR 1, page 660

20228-K-MB-C3 FAG Spherical Roller bearing catalogue drawing

Scanned from the manufacturer catalogue page listing this part number. All part numbers printed on that table share the same drawing.

Scale cross-section

Blue = inner / outer ring, yellow = rolling element. Drawn to scale from this part's own dimensions for selection reference only - not a manufacturing or assembly drawing.

Dimension table (mm / inch)

Symbol	Dimension	mm	inch
d	Bore diameter	140	5.5118
D	Outside diameter	250	9.8425
B	Inner-ring / bearing width	42	1.6535
r	Chamfer (min)	3	0.1181

Notes

Weights are given in kg. Load ratings are shown in both the original catalogue units and the converted value (1 N = 0.2248 lbf). Data is provided for selection reference only - confirm against the latest official catalogue before ordering.

Main dimensions

Bore d (mm)	140
Outside dia. D (mm)	250
Width B (mm)	42
Inner-ring shoulder dia. D1 (mm)	223.9

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	88800
Basic static load rating Cor (lbs)	121397
Basic dynamic load rating Cr (N)	395000
Basic static load rating C0r (N)	540000
Fatigue limit load Cur (N)	49500
Limiting speed nG (rpm)	3,050

Weight

Weight (kg)	8.98

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)	3
Shaft shoulder da (mm)	166
Shaft shoulder db (mm)	147
Housing shoulder Da (mm)	236
Housing fillet ra max (mm)	2.5

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 1,000 rpm
4	98,750	102	1,693
6	65,833	392	6,542
8	49,375	1,024	17,067
10	39,500	2,154	35,907
15	26,333	8,323	138,724

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 395,000 N. Hours = L₁₀ x 10⁶ / (60n). Life-modification factors for lubrication, contamination and temperature (a_ISO) are not included.

Source & traceability

Brand	FAG
Source catalogue	FAG / Schaeffler Rolling Bearings HR 1
Catalogue page	p.660 (dimensions)

Load ratings in newtons, fatigue limit load Cur, limiting speed nG and reference speed nB.

Interchange - same dimensions, other brands

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
6228	NSK	Ball	140	250	42	37,400 lbs	8.89
7228B	NSK	Ball	140	250	42	44,300 lbs	8.8
228	NSK	Cylindrical Roller	140	250	42	67,100 lbs	8.165
NU228E	NSK	Cylindrical Roller	140	250	42	485 kN	9.38
HR30228	NSK	Tapered Roller	140	250	42	480 kN	8.74
HR30228J	NSK	Tapered Roller	140	250	42	87,700 lbs	8.741
7228	NSK	Precision / Angular Contact	140	250	42	240 kN	8.92
7228A5	NSK	Precision / Angular Contact	140	250	42	50,900 lbs	7.911
7228C	NSK	Precision / Angular Contact	140	250	42	53,600 lbs	7.843
30228	Timken	Tapered Roller	140	250	42	474 kN	8.92

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
6228	FAG	Ball	140	250	42	188 kN	8.07
QJ228-N2-MPA	FAG	Ball	140	250	42	315 kN	9.69
N228-E-M1	FAG	Cylindrical Roller	140	250	42	460 kN	9.3
N228-E-XL-M1	FAG	Cylindrical Roller	140	250	42	460 kN	9.3
NJ228-E-M1	FAG	Cylindrical Roller	140	250	42	460 kN	9.46
NJ228-E-XL-M1	FAG	Cylindrical Roller	140	250	42	460 kN	9.46
NU228-E-M1	FAG	Cylindrical Roller	140	250	42	460 kN	9.31
NU228-E-XL-M1	FAG	Cylindrical Roller	140	250	42	460 kN	9.31

Series variants (different suffix)

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
20228-MB	FAG	Spherical Roller	140	250	42	395 kN	9.09

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
20328-MB	FAG	Spherical Roller	140	300	62	650 kN	22.5
22228-E1-XL	FAG	Spherical Roller	140	250	68	870 kN	14.1
22228-E1-XL-K	FAG	Spherical Roller	140	250	68	870 kN	13.7
22328-E1-XL	FAG	Spherical Roller	140	300	102	1460 kN	34.6
22328-E1-XL-K	FAG	Spherical Roller	140	300	102	1460 kN	34.4
22328-E1-XL-K-T41A	FAG	Spherical Roller	140	300	102	1460 kN	34.4
22328-E1-XL-T41D	FAG	Spherical Roller	140	300	102	1460 kN	34.6
23028-E1-XL-K-TVPB	FAG	Spherical Roller	140	210	53	570 kN	5.8

Request a quotation for 20228-K-MB-C3

Send us the quantity you need and we will come back with price and lead time, normally within 24 hours. Equivalent parts from other brands can be quoted at the same time.

Online enquiry form richard@bearingsfit.com WhatsApp +86 156 2149 6516