QJ320-N2-MPAFAGBall

Name: FAG QJ320-N2-MPA Ball Bearing
Brand: FAG
SKU: QJ320-N2-MPA

QJ320-N2-MPA is a FAG ball bearing, bore 100 mm, O.D. 215 mm, width 47 mm, dynamic rating 325 kN. Dimensions, drawing, interchanges and price.

Brass cage

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Bore d100mm

Outside dia. D215mm

Width B47mm

Dynamic Cr325kN

Static C0r365kN

Limiting speed5,400rpm

Weight9.04kg

Cr / C0r0.89

Mean dia. dm157.5mm

Original catalogue drawing - FAG Schaeffler HR 1, page 364

QJ320-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	100	3.937
D	Outside diameter	215	8.4646
B	Inner-ring / bearing width	47	1.8504
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)	100
Outside dia. D (mm)	215
Width B (mm)	47
Inner-ring OD d1 (mm)	139
Inner-ring shoulder dia. D1 (mm)	176.6

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	73063
Basic static load rating Cor (lbs)	82055
Basic dynamic load rating Cr (N)	325000
Basic static load rating C0r (N)	365000
Fatigue limit load Cur (N)	16300
Limiting speed nG (rpm)	5,400
Reference speed nB (rpm)	3,000
Effective load centre a (mm)	110

Weight

Weight (kg)	9.04

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)	3
Shaft shoulder da (mm)	114
Housing shoulder Da (mm)	201
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 1,800 rpm
4	81,250	64	593
6	54,167	216	2,000
8	40,625	512	4,741
10	32,500	1,000	9,259
15	21,667	3,375	31,250

Basic rating life per ISO 281: L₁₀ = (C/P)³ with C = 325,000 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
1320	NSK	Ball	100	215	47	155 kN	8.4
6320	NSK	Ball	100	215	47	38,900 lbs	6.94
7320B	NSK	Ball	100	215	47	42,800 lbs	8.301
320	NSK	Cylindrical Roller	100	215	47	67,100 lbs	7.711
NU320	NSK	Cylindrical Roller	100	215	47	365 kN	7.69
NU320E	NSK	Cylindrical Roller	100	215	47	465 kN	8.63
21320CAME4	NSK	Spherical Roller	100	215	47	495 kN	8.46
21320CE4	NSK	Spherical Roller	100	215	47	495 kN	8.46
HR30320	NSK	Tapered Roller	100	215	47	520 kN	8.41
HR30320J	NSK	Tapered Roller	100	215	47	95,500 lbs	8.41

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
1320-K-M-C3	FAG	Ball	100	215	47	145 kN	8.95
1320-M	FAG	Ball	100	215	47	145 kN	9.06
6320	FAG	Ball	100	215	47	177 kN	7.67
6320-2RSR	FAG	Ball	100	215	47	177 kN	7.78
6320-2Z	FAG	Ball	100	215	47	177 kN	7.78
N320-E-M1	FAG	Cylindrical Roller	100	215	47	450 kN	8.75
N320-E-XL-M1	FAG	Cylindrical Roller	100	215	47	450 kN	8.75
NJ320-E-TVP2	FAG	Cylindrical Roller	100	215	47	450 kN	7.82

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
1220-K-M-C3	FAG	Ball	100	180	34	70 kN	3.94
1220-M	FAG	Ball	100	180	34	70 kN	3.99
1320-K-M-C3	FAG	Ball	100	215	47	145 kN	8.95
1320-M	FAG	Ball	100	215	47	145 kN	9.06
16020	FAG	Ball	100	150	16	46.5 kN	0.945
2220-K-M-C3	FAG	Ball	100	180	46	98 kN	5.1
2220-M	FAG	Ball	100	180	46	98 kN	5.21
2320-K-M-C3	FAG	Ball	100	215	73	196 kN	12.7

Request a quotation for QJ320-N2-MPA

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