QJ1034-N2-MPAFAGBall

Name: FAG QJ1034-N2-MPA Ball Bearing
Brand: FAG
SKU: QJ1034-N2-MPA

QJ1034-N2-MPA is a FAG ball bearing, bore 170 mm, O.D. 260 mm, width 42 mm, dynamic rating 280 kN. Dimensions, drawing, interchanges and price.

Brass cage

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Bore d170mm

Outside dia. D260mm

Width B42mm

Dynamic Cr280kN

Static C0r430kN

Limiting speed4,350rpm

Weight8.788kg

Cr / C0r0.65

Mean dia. dm215mm

Original catalogue drawing - FAG Schaeffler HR 1, page 364

QJ1034-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	170	6.6929
D	Outside diameter	260	10.2362
B	Inner-ring / bearing width	42	1.6535
r	Chamfer (min)	2.1	0.0827

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)	170
Outside dia. D (mm)	260
Width B (mm)	42
Inner-ring OD d1 (mm)	201.9
Inner-ring shoulder dia. D1 (mm)	229.5

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	62947
Basic static load rating Cor (lbs)	96668
Basic dynamic load rating Cr (N)	280000
Basic static load rating C0r (N)	430000
Fatigue limit load Cur (N)	14800
Limiting speed nG (rpm)	4,350
Reference speed nB (rpm)	2,340
Effective load centre a (mm)	151

Weight

Weight (kg)	8.788

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)	2.1
Shaft shoulder da (mm)	180.2
Housing shoulder Da (mm)	249.8
Housing fillet ra max (mm)	2.1

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 1,400 rpm
4	70,000	64	762
6	46,667	216	2,571
8	35,000	512	6,095
10	28,000	1,000	11,905
15	18,667	3,375	40,179

Basic rating life per ISO 281: L₁₀ = (C/P)³ with C = 280,000 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
6034	NSK	Ball	170	260	42	36,200 lbs	7.938
1034	NSK	Cylindrical Roller	170	260	42	64,200 lbs	7.711
NU1034	NSK	Cylindrical Roller	170	260	42	355 kN	7.91
7034	NSK	Precision / Angular Contact	170	260	42	204 kN	7.9
7034A5	NSK	Precision / Angular Contact	170	260	42	37,500 lbs	7.834
7034C	NSK	Precision / Angular Contact	170	260	42	46,100 lbs	7.802

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
6034	FAG	Ball	170	260	42	179 kN	7.13
6034-2RSR	FAG	Ball	170	260	42	179 kN	7.3
NU1034-M1	FAG	Cylindrical Roller	170	260	42	350 kN	8.03
NU1034-XL-M1	FAG	Cylindrical Roller	170	260	42	350 kN	8.03
B7034-C-T-P4S	FAG	Precision / Angular Contact	170	260	42	236 kN	6.51
B7034-E-T-P4S	FAG	Precision / Angular Contact	170	260	42	224 kN	6.48

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
16034	FAG	Ball	170	260	28	131 kN	5.15
6034	FAG	Ball	170	260	42	179 kN	7.13
6034-2RSR	FAG	Ball	170	260	42	179 kN	7.3
61834	FAG	Ball	170	215	22	65 kN	1.63
61934	FAG	Ball	170	230	28	109 kN	2.83
6234-M	FAG	Ball	170	310	52	225 kN	18.3
6334-M	FAG	Ball	170	360	72	325 kN	37.3
QJ234-N2-MPA	FAG	Ball	170	310	52	420 kN	18.6

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