6915NSKBall

Name: NSK 6915 Ball Bearing
Brand: NSK
SKU: 6915

6915 is a NSK ball bearing, bore 75 mm, O.D. 105 mm, width 16 mm, dynamic rating 5,460 lbs. Dimensions, drawing, interchanges and price.

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Bore d75mm

Outside dia. D105mm

Width B16mm

Dynamic Cr5,460lbs

Static C0r5,060lbs

Limiting speed6,000rpm

Weight0.358kg

Cr / C0r1.08

Mean dia. dm90mm

Original catalogue drawing - NSK catalogue, page 23

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	75	2.9528
D	Outside diameter	105	4.1339
B	Inner-ring / bearing width	16	0.6299
r	Chamfer (min)	0.991	0.039

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)	75
Bore d (in)	2.9528
Outside dia. D (mm)	105
Outside dia. D (in)	4.1339
Width B (mm)	16
Width B (in)	0.6299

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	5460
Basic static load rating Cor (lbs)	5060
Limiting speed - grease (rpm)	6,000
Limiting speed - oil (rpm)	7,400
Factor f0	16.5

Weight

Weight (kg)	0.358

Mounting dimensions (fillets / shoulders)

Chamfer r (in)	0.039
Shaft shoulder da min (in)	3.150
Shaft shoulder da max (in)	3.228
Housing shoulder Da max (in)	3.937

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 2,000 rpm
4	6,072	64	533
6	4,048	216	1,800
8	3,036	512	4,267
10	2,429	1,000	8,333
15	1,619	3,375	28,125

Basic rating life per ISO 281: L₁₀ = (C/P)³ with C = 24,287 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.25 (dimensions) / p.26 (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
61915	FAG	Ball	75	105	16	26 kN	0.36
61915-2RSR	FAG	Ball	75	105	16	28 kN	0.356
B71915-C-T-P4S	FAG	Precision / Angular Contact	75	105	16	34 kN	0.352
B71915-E-T-P4S	FAG	Precision / Angular Contact	75	105	16	32 kN	0.351
HCB71915-C-T-P4S	FAG	Precision / Angular Contact	75	105	16	23.6 kN	0.35
HCB71915-E-T-P4S	FAG	Precision / Angular Contact	75	105	16	22 kN	0.35
HCS71915-C-T-P4S	FAG	Precision / Angular Contact	75	105	16	12.9 kN	0.347
HCS71915-E-T-P4S	FAG	Precision / Angular Contact	75	105	16	12.2 kN	0.346
HSS71915-C-T-P4S	FAG	Precision / Angular Contact	75	105	16	19 kN	0.38
HSS71915-E-T-P4S	FAG	Precision / Angular Contact	75	105	16	17.6 kN	0.379

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
7915A5	NSK	Precision / Angular Contact	75	105	16	6,060 lbs	0.354
7915C	NSK	Precision / Angular Contact	75	105	16	6,420 lbs	0.354

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
1215	NSK	Ball	75	130	25	8,770 lbs	1.352
1315	NSK	Ball	75	160	37	18,000 lbs	3.552
16015	NSK	Ball	75	115	13	30.5 kN	0.463
2215	NSK	Ball	75	130	31	10,000 lbs	1.542
2315	NSK	Ball	75	160	55	28,100 lbs	4.672
5215J	NSK	Ball	75	130	41.3	21,100 lbs	1.901
6015	NSK	Ball	75	115	20	8,890 lbs	0.64
6215	NSK	Ball	75	130	25	14,900 lbs	1.197

Request a quotation for 6915

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