7328-B-MPFAGPrecision / Angular Contact

Name: FAG 7328-B-MP Precision / Angular Contact Bearing
Brand: FAG
SKU: 7328-B-MP

7328-B-MP is a FAG precision / angular contact bearing, bore 140 mm, O.D. 300 mm, width 62 mm. Dimensions, drawing, interchanges and price.

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Bore d140mm

Outside dia. D300mm

Width B62mm

Dynamic Cr300kN

Static C0r345kN

Limiting speed4,300rpm

Weight20.5kg

Cr / C0r0.87

Mean dia. dm220mm

Original catalogue drawing - FAG Schaeffler HR 1, page 246

7328-B-MP 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	300	11.811
B	Inner-ring / bearing width	62	2.4409
r	Chamfer (min)	4	0.1575

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)	300
Width B (mm)	62
Inner-ring OD d1 (mm)	203.9
Inner-ring shoulder dia. D1 (mm)	240.2

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	67443
Basic static load rating Cor (lbs)	77559
Basic dynamic load rating Cr (N)	300000
Basic static load rating C0r (N)	345000
Fatigue limit load Cur (N)	12700
Limiting speed nG (rpm)	4,300
Reference speed nB (rpm)	2,450
Effective load centre a (mm)	123

Weight

Weight (kg)	20.5

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)	4
Chamfer r1 min (mm)	1.5
Shaft shoulder da (mm)	157
Housing shoulder Da (mm)	283
Housing shoulder Db (mm)	291
Housing fillet ra max (mm)	3
Housing fillet ra1 max (mm)	1.5

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 1,400 rpm
4	75,000	64	762
6	50,000	216	2,571
8	37,500	512	6,095
10	30,000	1,000	11,905
15	20,000	3,375	40,179

Basic rating life per ISO 281: L₁₀ = (C/P)³ with C = 300,000 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.246 (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
6328	NSK	Ball	140	300	62	56,800 lbs	21.999
7328B	NSK	Ball	140	300	62	62,000 lbs	21.273
328	NSK	Cylindrical Roller	140	300	62	123,000 lbs	19.051
NU328E	NSK	Cylindrical Roller	140	300	62	815 kN	22.8
30328	NSK	Tapered Roller	140	300	62	135,000 lbs	20.103
HR30328	NSK	Tapered Roller	140	300	62	910 kN	21.1
HR31328J	NSK	Tapered Roller	140	300	62	124,800 lbs	23.224
7328	NSK	Precision / Angular Contact	140	300	62	330 kN	21.4

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
6328-M	FAG	Ball	140	300	62	270 kN	21.767
QJ328-N2-MPA	FAG	Ball	140	300	62	470 kN	23.2
N328-E-M1	FAG	Cylindrical Roller	140	300	62	790 kN	22.5
N328-E-XL-M1	FAG	Cylindrical Roller	140	300	62	790 kN	22.5
NJ328-E-TVP2	FAG	Cylindrical Roller	140	300	62	790 kN	20.5
NJ328-E-XL-TVP2	FAG	Cylindrical Roller	140	300	62	790 kN	20.5
NU328-E-TVP2	FAG	Cylindrical Roller	140	300	62	790 kN	20.1
NU328-E-XL-TVP2	FAG	Cylindrical Roller	140	300	62	790 kN	20.1

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
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
B7228-C-T-P4S	FAG	Precision / Angular Contact	140	250	42	220 kN	7.87
B7228-E-T-P4S	FAG	Precision / Angular Contact	140	250	42	212 kN	7.85

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