QJ218-N2-MPAFAGBall

Name: FAG QJ218-N2-MPA Ball Bearing
Brand: FAG
SKU: QJ218-N2-MPA

QJ218-N2-MPA is a FAG ball bearing, bore 90 mm, O.D. 160 mm, width 30 mm, dynamic rating 176 kN. Dimensions, drawing, interchanges and price.

Brass cage

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Bore d90mm

Outside dia. D160mm

Width B30mm

Dynamic Cr176kN

Static C0r186kN

Limiting speed7,000rpm

Weight2.8kg

Cr / C0r0.95

Mean dia. dm125mm

Original catalogue drawing - FAG Schaeffler HR 1, page 320

QJ218-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	90	3.5433
D	Outside diameter	160	6.2992
B	Inner-ring / bearing width	30	1.1811
r	Chamfer (min)	2	0.0787

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)	90
Outside dia. D (mm)	160
Width B (mm)	30
Inner-ring OD d1 (mm)	114.2
Inner-ring shoulder dia. D1 (mm)	136.1

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	39566
Basic static load rating Cor (lbs)	41814
Basic dynamic load rating Cr (N)	176000
Basic static load rating C0r (N)	186000
Fatigue limit load Cur (N)	8800
Limiting speed nG (rpm)	7,000
Effective load centre a (mm)	88

Weight

Weight (kg)	2.8

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)	2
Shaft shoulder da (mm)	101
Housing shoulder Da (mm)	149
Housing fillet ra max (mm)	2

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 2,300 rpm
4	44,000	64	464
6	29,333	216	1,565
8	22,000	512	3,710
10	17,600	1,000	7,246
15	11,733	3,375	24,457

Basic rating life per ISO 281: L₁₀ = (C/P)³ with C = 176,000 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.320 (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
1218	NSK	Ball	90	160	30	63 kN	2.56
6218	NSK	Ball	90	160	30	21,600 lbs	2.15
7218B	NSK	Ball	90	160	30	22,900 lbs	2.549
BL218	NSK	Ball	90	160	30	28,300 lbs	2.404
218	NSK	Cylindrical Roller	90	160	30	34,100 lbs	2.35
NU218E	NSK	Cylindrical Roller	90	160	30	224 kN	2.6
HR30218J	NSK	Tapered Roller	90	160	30	45,200 lbs	2.599
7218	NSK	Precision / Angular Contact	90	160	30	130 kN	2.25
7218A5	NSK	Precision / Angular Contact	90	160	30	26,200 lbs	2.209
7218C	NSK	Precision / Angular Contact	90	160	30	27,600 lbs	2.191

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
1218-K-TVH-C3	FAG	Ball	90	160	30	57 kN	2.48
1218-TVH	FAG	Ball	90	160	30	57 kN	2.52
6218	FAG	Ball	90	160	30	102 kN	2.21
6218-2RSR	FAG	Ball	90	160	30	102 kN	2.21
6218-2Z	FAG	Ball	90	160	30	102 kN	2.26
QJ218-XL-N2-TVP	FAG	Ball	90	160	30	189 kN	2.35
N218-E-TVP2	FAG	Cylindrical Roller	90	160	30	215 kN	2.37
N218-E-XL-TVP2	FAG	Cylindrical Roller	90	160	30	215 kN	2.37

Series variants (different suffix)

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
QJ218-XL-N2-TVP	FAG	Ball	90	160	30	189 kN	2.35

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
1218-K-TVH-C3	FAG	Ball	90	160	30	57 kN	2.48
1218-TVH	FAG	Ball	90	160	30	57 kN	2.52
1318-K-M-C3	FAG	Ball	90	190	43	109 kN	6.27
1318-M	FAG	Ball	90	190	43	109 kN	6.35
16018	FAG	Ball	90	140	16	44 kN	0.866
2218-K-TVH-C3	FAG	Ball	90	160	40	71 kN	3.18
2218-TVH	FAG	Ball	90	160	40	71 kN	3.18
2318-K-M-C3	FAG	Ball	90	190	64	156 kN	8.6

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