6205NSKBall

Name: NSK 6205 Ball Bearing
Brand: NSK
SKU: 6205

6205 is a NSK ball bearing, bore 25 mm, O.D. 52 mm, width 15 mm, dynamic rating 3,150 lbs. Dimensions, drawing, interchanges and price.

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Bore d25mm

Outside dia. D52mm

Width B15mm

Dynamic Cr3,150lbs

Static C0r1,770lbs

Limiting speed13,000rpm

Weight0.132kg

Cr / C0r1.78

Mean dia. dm38.5mm

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	25	0.9843
D	Outside diameter	52	2.0472
B	Inner-ring / bearing width	15	0.5906
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)	25
Bore d (in)	0.9843
Outside dia. D (mm)	52
Outside dia. D (in)	2.0472
Width B (mm)	15
Width B (in)	0.5906

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	3150
Basic static load rating Cor (lbs)	1770
Limiting speed - grease (rpm)	13,000
Limiting speed - oil (rpm)	15,000
Factor f0	13.9

Weight

Weight (kg)	0.132

Mounting dimensions (fillets / shoulders)

Chamfer r (in)	0.039
Shaft shoulder da min (in)	1.172
Shaft shoulder da max (in)	1.261
Housing shoulder Da max (in)	1.811

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 3,000 rpm
4	3,503	64	356
6	2,335	216	1,200
8	1,751	512	2,844
10	1,401	1,000	5,556
15	934	3,375	18,750

Basic rating life per ISO 281: L₁₀ = (C/P)³ with C = 14,012 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
11205-TVH	FAG	Ball	25	52	15	12.3 kN	0.226
1205-K-TVH-C3	FAG	Ball	25	52	15	12.3 kN	0.135
1205-TVH	FAG	Ball	25	52	15	12.3 kN	0.138
6205	FAG	Ball	25	52	15	14 kN	0.129
6205-2RSR	FAG	Ball	25	52	15	14 kN	0.133
6205-2Z	FAG	Ball	25	52	15	14 kN	0.133
6205-C	FAG	Ball	25	52	15	15 kN	0.129
6205-C-2BRS	FAG	Ball	25	52	15	15 kN	0.133
6205-C-2HRS	FAG	Ball	25	52	15	15 kN	0.133
6205-C-2Z	FAG	Ball	25	52	15	15 kN	0.133

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
1205	NSK	Ball	25	52	15	2,740 lbs	0.136
7205B	NSK	Ball	25	52	15	3,150 lbs	0.136
BL205	NSK	Ball	25	52	15	3,820 lbs	0.132
205	NSK	Cylindrical Roller	25	52	15	3,960 lbs	0.014
NU205E	NSK	Cylindrical Roller	25	52	15	36 kN	0.136
HR30205	NSK	Tapered Roller	25	52	15	39.5 kN	0.157
HR30205C	NSK	Tapered Roller	25	52	15	6,320 lbs	0.15
HR30205J	NSK	Tapered Roller	25	52	15	7,190 lbs	0.159

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
1205	NSK	Ball	25	52	15	2,740 lbs	0.136
1305	NSK	Ball	25	62	17	4,050 lbs	0.277
16005	NSK	Ball	25	47	8	9.8 kN	0.059
2205	NSK	Ball	25	52	18	3,820 lbs	0.159
2305	NSK	Ball	25	62	24	5,510 lbs	0.372
3205J	NSK	Ball	25	52	20.6	4,360 lbs	0.195
3305J	NSK	Ball	25	62	25.4	6,320 lbs	0.367
5205J	NSK	Ball	25	52	20.6	4,790 lbs	0.191

Request a quotation for 6205

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