32307-AFAGTapered Roller

Name: FAG 32307-A Tapered Roller Bearing
Brand: FAG
SKU: 32307-A

32307-A is a FAG tapered roller bearing, bore 35 mm, O.D. 80 mm, width 31 mm, dynamic rating 101 kN. Dimensions, drawing, interchanges and price.

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Bore d35mm

Outside dia. D80mm

Width B31mm

Dynamic Cr101kN

Static C0r114kN

Limiting speed9,500rpm

Weight0.741kg

Cr / C0r0.89

Mean dia. dm57.5mm

Original catalogue drawing - FAG Schaeffler HR 1, page 476

32307-A FAG Tapered Roller 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	35	1.378
D	Outside diameter	80	3.1496
B	Inner-ring / bearing width	31	1.2205
T	Overall assembly width	32.75	1.2894
C	Cup / outer-ring width	25	0.9843

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
Outside dia. D (mm)	80
Width B (mm)	31
Overall width T (mm)	32.75
Cup width C (mm)	25
Inner-ring OD d1 (mm)	55.2

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	22706
Basic static load rating Cor (lbs)	25628
Basic dynamic load rating Cr (N)	101000
Basic static load rating C0r (N)	114000
Basic dynamic axial rating Ca (N)	4
Fatigue limit load Cur (N)	13600
Factor e	0.31
Factor Y	1.9
Factor Y0	1.05
Limiting speed nG (rpm)	9,500
Reference speed nB (rpm)	6,400
Effective load centre a (mm)	20

Weight

Weight (kg)	0.741

Mounting dimensions (fillets / shoulders)

Chamfer r2 min (mm)	2
Shaft shoulder da (mm)	44
Shaft shoulder db (mm)	44
Housing shoulder Da (mm)	71
Housing shoulder Db (mm)	74
Housing fillet ra max (mm)	2
Fillet rb max (mm)	1.5

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 3,000 rpm
4	25,250	102	564
6	16,833	392	2,181
8	12,625	1,024	5,689
10	10,100	2,154	11,969
15	6,733	8,323	46,241

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 101,000 N. Hours = L₁₀ x 10⁶ / (60n). Life-modification factors for lubrication, contamination and temperature (a_ISO) are not included.

Source & traceability

Brand	FAG
Source catalogue	FAG / Schaeffler Rolling Bearings HR 1
Catalogue page	p.476 (dimensions)

Load ratings in newtons, fatigue limit load Cur, limiting speed nG and reference speed nB.

Interchange - same dimensions, other brands

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
2307	NSK	Ball	35	80	31	8,770 lbs	0.744
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
32307	Timken	Tapered Roller	35	80	31	116 kN	0.75

Same dimensions, same brand

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

Series variants (different suffix)

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
32307-B	FAG	Tapered Roller	35	80	31	96 kN	0.802

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
30207-A	FAG	Tapered Roller	35	72	17	53 kN	0.334
30207-XL	FAG	Tapered Roller	35	72	17	64 kN	0.336
30307-A	FAG	Tapered Roller	35	80	21	75 kN	0.573
31307-A	FAG	Tapered Roller	35	80	21	60 kN	0.582
31307-A-N11CA-A40-70	FAG	Tapered Roller	35	80	None	102 kN	1.13
32007-X	FAG	Tapered Roller	35	62	18	45.5 kN	0.257
32007-X-XL	FAG	Tapered Roller	35	62	18	54 kN	0.225
32207-A	FAG	Tapered Roller	35	72	23	70 kN	0.482

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