22308EAE4NSKSpherical Roller

Name: NSK 22308EAE4 Spherical Roller Bearing
Brand: NSK
SKU: 22308EAE4

22308EAE4 is a NSK spherical roller bearing, bore 40 mm, O.D. 90 mm, width 33 mm. Dimensions, drawing, interchanges and price.

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Bore d40mm

Outside dia. D90mm

Width B33mm

Dynamic Cr30,642lbs

Static C0r34,390lbs

Limiting speed4,300rpm

Weight1.016kg

Cr / C0r0.89

Mean dia. dm65mm

Original catalogue drawing - NSK catalogue, page 75

22308EAE4 NSK Spherical 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	40	1.5748
D	Outside diameter	90	3.5433
B	Inner-ring / bearing width	33	1.2992

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)	40
Bore d (in)	1.5748
Outside dia. D (mm)	90
Outside dia. D (in)	3.5433
Width B (mm)	33
Width B (in)	1.2992

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	30642
Basic static load rating Cor (lbs)	34390
Limiting speed - grease (rpm)	4,300
Limiting speed - oil (rpm)	5,300

Weight

Weight (kg)	1.016

Mounting dimensions (fillets / shoulders)

Chamfer r (in)	0.059
Shaft shoulder da min (in)	1.93
Shaft shoulder da max (in)	1.95
Housing shoulder Da min (in)	2.96
Housing shoulder Da max (in)	3.19

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 1,400 rpm
4	34,076	102	1,209
6	22,717	392	4,673
8	17,038	1,024	12,190
10	13,630	2,154	25,648
15	9,087	8,323	99,089

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 136,302 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.77 (dimensions) / p.78 (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
2308-2RS-TVH	FAG	Ball	40	90	33	30 kN	1.01
2308-K-TVH-C3	FAG	Ball	40	90	33	46 kN	0.899
2308-TVH	FAG	Ball	40	90	33	46 kN	0.922
4308-B-TVH	FAG	Ball	40	90	33	67 kN	0.83
62308-2RSR	FAG	Ball	40	90	33	46.5 kN	0.882
NJ2308-E-TVP2	FAG	Cylindrical Roller	40	90	33	132 kN	0.978
NJ2308-E-XL-TVP2	FAG	Cylindrical Roller	40	90	33	132 kN	0.978
NU2308-E-TVP2	FAG	Cylindrical Roller	40	90	33	132 kN	0.958
NU2308-E-XL-TVP2	FAG	Cylindrical Roller	40	90	33	132 kN	0.958
NUP2308-E-TVP2	FAG	Cylindrical Roller	40	90	33	132 kN	0.999

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
2308	NSK	Ball	40	90	33	10,100 lbs	0.998
2308	NSK	Cylindrical Roller	40	90	33	18,500 lbs	0.943
NU2308E	NSK	Cylindrical Roller	40	90	33	140 kN	0.933
22308CAME4	NSK	Spherical Roller	40	90	33	27,400 lbs	0.984
22308HE4	NSK	Spherical Roller	40	90	33	30,500 lbs	0.948
HR32308	NSK	Tapered Roller	40	90	33	147 kN	1.05
HR32308C	NSK	Tapered Roller	40	90	33	24,100 lbs	1.03
HR32308J	NSK	Tapered Roller	40	90	33	27,000 lbs	1.052

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
21308EAE4	NSK	Spherical Roller	40	90	23	118 kN	0.73
22208EAE4	NSK	Spherical Roller	40	80	23	20,281 lbs	0.526
22208HE4	NSK	Spherical Roller	40	80	23	20,200 lbs	0.467
22308CAME4	NSK	Spherical Roller	40	90	33	27,400 lbs	0.984
22308HE4	NSK	Spherical Roller	40	90	33	30,500 lbs	0.948
22207CE4	NSK	Spherical Roller	35	72	23	15,500 lbs	0.422
22207HE4	NSK	Spherical Roller	35	72	23	17,700 lbs	0.386
21309EAE4	NSK	Spherical Roller	45	100	25	149 kN	0.96

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