B7228-C-T-P4SFAGPrecision / Angular Contact

Name: FAG B7228-C-T-P4S Precision / Angular Contact Bearing
Brand: FAG
SKU: B7228-C-T-P4S

B7228-C-T-P4S is a FAG precision / angular contact bearing, bore 140 mm, O.D. 250 mm, width 42 mm. Dimensions, drawing, interchanges and price.

High precision class

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Bore d140mm

Outside dia. D250mm

Width B42mm

Dynamic Cr220kN

Static C0r232kN

Limiting speed5,000rpm

Weight7.87kg

Cr / C0r0.95

Mean dia. dm195mm

Original catalogue drawing - FAG Schaeffler HR 1, page 288

B7228-C-T-P4S FAG Precision / Angular Contact 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

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	49458
Basic static load rating Cor (lbs)	52156
Basic dynamic load rating Cr (N)	220000
Basic static load rating C0r (N)	232000
Fatigue limit load Cur (N)	12100
Limiting speed nG (rpm)	5,000
Effective load centre a (mm)	47

Weight

Weight (kg)	7.87

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)	3
Chamfer r1 min (mm)	3
Shaft shoulder da (mm)	163
Housing shoulder Da (mm)	226.5
Housing fillet ra max (mm)	2.5
Housing fillet ra1 max (mm)	2.5

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 1,600 rpm
4	55,000	64	667
6	36,667	216	2,250
8	27,500	512	5,333
10	22,000	1,000	10,417
15	14,667	3,375	35,156

Basic rating life per ISO 281: L₁₀ = (C/P)³ with C = 220,000 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.288 (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
B7228-E-T-P4S	FAG	Precision / Angular Contact	140	250	42	212 kN	7.85

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
7228-B-MP	FAG	Precision / Angular Contact	140	250	42	198 kN	8.55
7228-B-XL-MP	FAG	Precision / Angular Contact	140	250	42	214 kN	8.55
7328-B-MP	FAG	Precision / Angular Contact	140	300	62	300 kN	20.5
B7028-C-T-P4S	FAG	Precision / Angular Contact	140	210	33	146 kN	3.34
B7028-E-T-P4S	FAG	Precision / Angular Contact	140	210	33	140 kN	3.33
B71928-C-T-P4S	FAG	Precision / Angular Contact	140	190	24	73.5 kN	1.63
B71928-E-T-P4S	FAG	Precision / Angular Contact	140	190	24	69.5 kN	1.62
HCB7028-C-T-P4S	FAG	Precision / Angular Contact	140	210	33	102 kN	3.34

Request a quotation for B7228-C-T-P4S

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