6038NSKBall

Name: NSK 6038 Ball Bearing
Brand: NSK
SKU: 6038

6038 is a NSK ball bearing, bore 190 mm, O.D. 290 mm, width 46 mm, dynamic rating 42,300 lbs. Dimensions, drawing, interchanges and price.

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Bore d190mm

Outside dia. D290mm

Width B46mm

Dynamic Cr42,300lbs

Static C0r45,200lbs

Limiting speed2,000rpm

Weight11.113kg

Cr / C0r0.94

Mean dia. dm240mm

Original catalogue drawing - NSK catalogue, page 15

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	190	7.4803
D	Outside diameter	290	11.4173
B	Inner-ring / bearing width	46	1.811
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)	190
Bore d (in)	7.4803
Outside dia. D (mm)	290
Outside dia. D (in)	11.4173
Width B (mm)	46
Width B (in)	1.8110

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	42300
Basic static load rating Cor (lbs)	45200
Limiting speed - grease (rpm)	2,000
Limiting speed - oil (rpm)	2,400
Factor f0	15.8

Weight

Weight (kg)	11.113

Mounting dimensions (fillets / shoulders)

Chamfer r (in)	0.079
Shaft shoulder da min (in)	7.913
Shaft shoulder da max (in)	8.589
Housing shoulder Da max (in)	10.984

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 600 rpm
4	47,040	64	1,778
6	31,360	216	6,000
8	23,520	512	14,222
10	18,816	1,000	27,778
15	12,544	3,375	93,750

Basic rating life per ISO 281: L₁₀ = (C/P)³ with C = 188,160 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.17 (dimensions) / p.18 (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
6038-M	FAG	Ball	190	290	46	216 kN	11.3
QJ1038-N2-MPA	FAG	Ball	190	290	46	345 kN	11.4
NU1038-M1	FAG	Cylindrical Roller	190	290	46	435 kN	10.9
NU1038-XL-M1	FAG	Cylindrical Roller	190	290	46	435 kN	10.9
B7038-C-T-P4S	FAG	Precision / Angular Contact	190	290	46	250 kN	9.18
B7038-E-T-P4S	FAG	Precision / Angular Contact	190	290	46	236 kN	9.15

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
1038	NSK	Cylindrical Roller	190	290	46	81,400 lbs	10.433
NU1038	NSK	Cylindrical Roller	190	290	46	445 kN	10.7
7038A5	NSK	Precision / Angular Contact	190	290	46	45,000 lbs	11.204
7038C	NSK	Precision / Angular Contact	190	290	46	55,300 lbs	11.104

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
16038	NSK	Ball	190	290	31	164 kN	7.78
6238	NSK	Ball	190	340	55	57,300 lbs	22.153
6338	NSK	Ball	190	400	78	79,700 lbs	50.802
6838	NSK	Ball	190	240	24	16,400 lbs	2.527
6938	NSK	Ball	190	260	33	25,300 lbs	5.13
7238B	NSK	Ball	190	340	55	63,700 lbs	21.319
7338B	NSK	Ball	190	400	78	92,600 lbs	47.174

Request a quotation for 6038

Send us the quantity you need and we will come back with price and lead time, normally within 24 hours. Equivalent parts from other brands can be quoted at the same time.

Online enquiry form richard@bearingsfit.com WhatsApp +86 156 2149 6516