6224NSKBall

Name: NSK 6224 Ball Bearing
Brand: NSK
SKU: 6224

6224 is a NSK ball bearing, bore 120 mm, O.D. 215 mm, width 40 mm, dynamic rating 34,900 lbs. Dimensions, drawing, interchanges and price.

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Bore d120mm

Outside dia. D215mm

Width B40mm

Dynamic Cr34,900lbs

Static C0r29,500lbs

Limiting speed2,600rpm

Weight5.171kg

Cr / C0r1.18

Mean dia. dm167.5mm

Original catalogue drawing - NSK catalogue, page 17

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	120	4.7244
D	Outside diameter	215	8.4646
B	Inner-ring / bearing width	40	1.5748
r	Chamfer (min)	2.007	0.079

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)	120
Bore d (in)	4.7244
Outside dia. D (mm)	215
Outside dia. D (in)	8.4646
Width B (mm)	40
Width B (in)	1.5748

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	34900
Basic static load rating Cor (lbs)	29500
Limiting speed - grease (rpm)	2,600
Limiting speed - oil (rpm)	3,200
Factor f0	14.4

Weight

Weight (kg)	5.171

Mounting dimensions (fillets / shoulders)

Chamfer r (in)	0.079
Shaft shoulder da min (in)	5.197
Shaft shoulder da max (in)	5.752
Housing shoulder Da max (in)	7.992

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 800 rpm
4	38,811	64	1,333
6	25,874	216	4,500
8	19,405	512	10,667
10	15,524	1,000	20,833
15	10,350	3,375	70,312

Basic rating life per ISO 281: L₁₀ = (C/P)³ with C = 155,243 N. Hours = L₁₀ x 10⁶ / (60n). Life-modification factors for lubrication, contamination and temperature (a_ISO) are not included.

Source & traceability

Brand	NSK
Source catalogue	NSK inch product catalogue
Catalogue page	p.19 (dimensions) / p.20 (ratings)

Dimensions in inches and millimetres, load ratings in lbs.

Interchange - same dimensions, other brands

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
6224	FAG	Ball	120	215	40	154 kN	5.62
6224-2RSR	FAG	Ball	120	215	40	154 kN	5.8
6224-2Z	FAG	Ball	120	215	40	154 kN	5.8
QJ224-N2-MPA	FAG	Ball	120	215	40	285 kN	6.74
N224-E-TVP2	FAG	Cylindrical Roller	120	215	40	390 kN	5.67
N224-E-XL-TVP2	FAG	Cylindrical Roller	120	215	40	390 kN	5.67
NJ224-E-TVP2	FAG	Cylindrical Roller	120	215	40	390 kN	5.91
NJ224-E-XL-TVP2	FAG	Cylindrical Roller	120	215	40	390 kN	5.91
NU224-E-TVP2	FAG	Cylindrical Roller	120	215	40	390 kN	5.8
NU224-E-XL-TVP2	FAG	Cylindrical Roller	120	215	40	390 kN	5.8

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
7224B	NSK	Ball	120	215	40	37,300 lbs	6.214
224	NSK	Cylindrical Roller	120	215	40	55,700 lbs	5.443
NU224E	NSK	Cylindrical Roller	120	215	40	410 kN	6.43
HR30224	NSK	Tapered Roller	120	215	40	410 kN	6.28
HR30224J	NSK	Tapered Roller	120	215	40	75,300 lbs	6.282
7224	NSK	Precision / Angular Contact	120	215	40	201 kN	6.22
7224A5	NSK	Precision / Angular Contact	120	215	40	42,500 lbs	5.42
7224C	NSK	Precision / Angular Contact	120	215	40	44,800 lbs	5.371

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
6024	NSK	Ball	120	180	28	19,900 lbs	2.422
6324	NSK	Ball	120	260	55	46,500 lbs	12.519
6824	NSK	Ball	120	150	16	6,490 lbs	0.526
6924	NSK	Ball	120	165	22	11,900 lbs	1.188
7224B	NSK	Ball	120	215	40	37,300 lbs	6.214
7324B	NSK	Ball	120	260	55	50,700 lbs	14.288

Request a quotation for 6224

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