3309JNSKBall

Name: NSK 3309J Ball Bearing
Brand: NSK
SKU: 3309J

3309J is a NSK ball bearing, bore 45 mm, O.D. 100 mm, width 39.7 mm, dynamic rating 16,000 lbs. Dimensions, drawing, interchanges and price.

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Bore d45mm

Outside dia. D100mm

Width B39.7mm

Dynamic Cr16,000lbs

Static C0r15,100lbs

Limiting speed4,300rpm

Weight1.397kg

Cr / C0r1.06

Mean dia. dm72.5mm

Original catalogue drawing - NSK catalogue, page 31

3309J NSK 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	45	1.7717
D	Outside diameter	100	3.937
B	Inner-ring / bearing width	39.7	1.563
r	Chamfer (min)	1.499	0.059

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)	45
Bore d (in)	1.7717
Outside dia. D (mm)	100
Outside dia. D (in)	3.9370
Width B (mm)	39.7
Width B (in)	1.5630

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	16000
Basic static load rating Cor (lbs)	15100
Limiting speed - grease (rpm)	4,300
Limiting speed - oil (rpm)	5,600

Weight

Weight (kg)	1.397

Mounting dimensions (fillets / shoulders)

Chamfer r (in)	0.059
Shaft shoulder da min (in)	2.106
Housing shoulder Da max (in)	3.549

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 1,400 rpm
4	17,793	64	762
6	11,862	216	2,571
8	8,896	512	6,095
10	7,117	1,000	11,905
15	4,745	3,375	40,179

Basic rating life per ISO 281: L₁₀ = (C/P)³ with C = 71,172 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.33 (dimensions) / p.34 (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
3309-B-2RSR-TVH	FAG	Precision / Angular Contact	45	100	39.7	68 kN	1.36
3309-B-TVH	FAG	Precision / Angular Contact	45	100	39.7	68 kN	1.34
3309-BD-XL-2HRS-TVH	FAG	Precision / Angular Contact	45	100	39.7	72 kN	1.314
3309-BD-XL-2Z-TVH	FAG	Precision / Angular Contact	45	100	39.7	72 kN	1.315
3309-BD-XL-TVH	FAG	Precision / Angular Contact	45	100	39.7	72 kN	1.335
3309-DA	FAG	Precision / Angular Contact	45	100	39.7	75 kN	1.55
V527A/520X	Timken	Tapered Roller	44.99	100	39.69	-	1.37

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
5309J	NSK	Ball	45	100	39.7	15,400 lbs	1.406
5309TNG	NSK	Ball	45	100	39.7	15,300 lbs	1.207
63309DDU	NSK	Ball	45	100	39.69	11,910 lbs	1.361
5309	NSK	Precision / Angular Contact	45	100	39.7	75.5 kN	1.37

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
1209	NSK	Ball	45	85	19	4,950 lbs	0.463
1309	NSK	Ball	45	100	25	8,540 lbs	0.993
16009	NSK	Ball	45	75	10	16.4 kN	0.167
2209	NSK	Ball	45	85	23	6,290 lbs	0.531
2309	NSK	Ball	45	100	36	12,100 lbs	1.32
3209J	NSK	Ball	45	85	30.2	9,890 lbs	0.708
5209J	NSK	Ball	45	85	30.2	11,100 lbs	0.621
5209TNG	NSK	Ball	45	85	30.2	10,800 lbs	0.581

Request a quotation for 3309J

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