QJ230-N2-MPAFAGBall

Name: FAG QJ230-N2-MPA Ball Bearing
Brand: FAG
SKU: QJ230-N2-MPA

QJ230-N2-MPA is a FAG ball bearing, bore 150 mm, O.D. 270 mm, width 45 mm, dynamic rating 350 kN. Dimensions, drawing, interchanges and price.

Brass cage

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Bore d150mm

Outside dia. D270mm

Width B45mm

Dynamic Cr350kN

Static C0r485kN

Limiting speed4,350rpm

Weight12.2kg

Cr / C0r0.72

Mean dia. dm210mm

Original catalogue drawing - FAG Schaeffler HR 1, page 364

QJ230-N2-MPA FAG Ball 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	150	5.9055
D	Outside diameter	270	10.6299
B	Inner-ring / bearing width	45	1.7717
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)	150
Outside dia. D (mm)	270
Width B (mm)	45
Inner-ring OD d1 (mm)	193.8
Inner-ring shoulder dia. D1 (mm)	226.7

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	78683
Basic static load rating Cor (lbs)	109032
Basic dynamic load rating Cr (N)	350000
Basic static load rating C0r (N)	485000
Fatigue limit load Cur (N)	18400
Limiting speed nG (rpm)	4,350
Reference speed nB (rpm)	2,360
Effective load centre a (mm)	147

Weight

Weight (kg)	12.2

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)	3
Shaft shoulder da (mm)	164
Housing shoulder Da (mm)	256
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 1,400 rpm
4	87,500	64	762
6	58,333	216	2,571
8	43,750	512	6,095
10	35,000	1,000	11,905
15	23,333	3,375	40,179

Basic rating life per ISO 281: L₁₀ = (C/P)³ with C = 350,000 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.364 (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
6230	NSK	Ball	150	270	45	39,600 lbs	11.476
7230B	NSK	Ball	150	270	45	50,500 lbs	10.977
230	NSK	Cylindrical Roller	150	270	45	77,000 lbs	11.34
NU230E	NSK	Cylindrical Roller	150	270	45	550 kN	11.9
30230	NSK	Tapered Roller	150	270	45	97,800 lbs	10.7
7230	NSK	Precision / Angular Contact	150	270	45	273 kN	11.2
7230A5	NSK	Precision / Angular Contact	150	270	45	58,000 lbs	11.104
7230C	NSK	Precision / Angular Contact	150	270	45	60,800 lbs	11.104
30230	Timken	Tapered Roller	150	270	45	533 kN	11.03

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
6230	FAG	Ball	150	270	45	187 kN	10.3
N230-E-M1	FAG	Cylindrical Roller	150	270	45	520 kN	11.7
N230-E-XL-M1	FAG	Cylindrical Roller	150	270	45	520 kN	11.8
NJ230-E-M1	FAG	Cylindrical Roller	150	270	45	520 kN	11.9
NJ230-E-XL-M1	FAG	Cylindrical Roller	150	270	45	520 kN	12
NU230-E-M1	FAG	Cylindrical Roller	150	270	45	520 kN	11.8
NU230-E-XL-M1	FAG	Cylindrical Roller	150	270	45	520 kN	11.9
NUP230-E-M1	FAG	Cylindrical Roller	150	270	45	520 kN	12.1

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
1230-M	FAG	Ball	150	270	54	180 kN	14.6
16030	FAG	Ball	150	225	24	98 kN	3.17
6030	FAG	Ball	150	225	35	131 kN	4.32
6030-2RSR	FAG	Ball	150	225	35	131 kN	4.34
6030-2Z	FAG	Ball	150	225	35	131 kN	4.3
61830	FAG	Ball	150	190	20	54 kN	1.18
6230	FAG	Ball	150	270	45	187 kN	10.3
6330	FAG	Ball	150	320	65	300 kN	22.4

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