2307NSKBall

Name: NSK 2307 Ball Bearing
Brand: NSK
SKU: 2307

2307 is a NSK ball bearing, bore 35 mm, O.D. 80 mm, width 31 mm, dynamic rating 8,770 lbs. Dimensions, drawing, interchanges and price.

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Bore d35mm

Outside dia. D80mm

Width B31mm

Dynamic Cr8,770lbs

Static C0r3,280lbs

Limiting speed7,500rpm

Weight0.744kg

Cr / C0r2.67

Mean dia. dm57.5mm

Original catalogue drawing - NSK catalogue, page 29

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	35	1.378
D	Outside diameter	80	3.1496
B	Inner-ring / bearing width	31	1.2205
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)	35
Bore d (in)	1.3780
Outside dia. D (mm)	80
Outside dia. D (in)	3.1496
Width B (mm)	31
Width B (in)	1.2205

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	8770
Basic static load rating Cor (lbs)	3280
Limiting speed - grease (rpm)	7,500
Limiting speed - oil (rpm)	9,000

Weight

Weight (kg)	0.744

Mounting dimensions (fillets / shoulders)

Chamfer r (in)	0.059
Shaft shoulder da min (in)	1.694
Housing shoulder Da max (in)	2.837

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 2,500 rpm
4	9,753	64	427
6	6,502	216	1,440
8	4,876	512	3,413
10	3,901	1,000	6,667
15	2,601	3,375	22,500

Basic rating life per ISO 281: L₁₀ = (C/P)³ with C = 39,011 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.31 (dimensions) / p.32 (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
2307-2RS-TVH	FAG	Ball	35	80	31	25.5 kN	0.744
2307-K-TVH-C3	FAG	Ball	35	80	31	40.5 kN	0.96
2307-TVH	FAG	Ball	35	80	31	40.5 kN	0.975
4307-B-TVH	FAG	Ball	35	80	31	58 kN	0.59
62307-2RSR	FAG	Ball	35	80	31	35.5 kN	0.651
NJ2307-E-TVP2	FAG	Cylindrical Roller	35	80	31	108 kN	0.736
NJ2307-E-XL-TVP2	FAG	Cylindrical Roller	35	80	31	108 kN	0.736
NU2307-E-TVP2	FAG	Cylindrical Roller	35	80	31	108 kN	0.723
NU2307-E-XL-TVP2	FAG	Cylindrical Roller	35	80	31	108 kN	0.723
NUP2307-E-TVP2	FAG	Cylindrical Roller	35	80	31	108 kN	0.751

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
2307	NSK	Cylindrical Roller	35	80	31	13,500 lbs	0.689
NU2307E	NSK	Cylindrical Roller	35	80	31	115 kN	0.711
HR32307	NSK	Tapered Roller	35	80	31	122 kN	0.765
HR32307C	NSK	Tapered Roller	35	80	31	20,000 lbs	0.771
HR32307J	NSK	Tapered Roller	35	80	31	22,300 lbs	0.767

Series variants (different suffix)

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
2307	NSK	Cylindrical Roller	35	80	31	13,500 lbs	0.689

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
1207	NSK	Ball	35	72	17	3,600 lbs	0.331
1307	NSK	Ball	35	80	21	5,620 lbs	0.535
16007	NSK	Ball	35	62	9	12.8 kN	0.107
2207	NSK	Ball	35	72	23	7,190 lbs	0.399
3207J	NSK	Ball	35	72	27	8,410 lbs	0.481
3307J	NSK	Ball	35	80	34.9	10,600 lbs	0.816
5207J	NSK	Ball	35	72	27	8,770 lbs	0.431
5207TNG	NSK	Ball	35	72	27	8,770 lbs	0.413

Request a quotation for 2307

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