23020CDE4NSKSpherical Roller

Name: NSK 23020CDE4 Spherical Roller Bearing
Brand: NSK
SKU: 23020CDE4

23020CDE4 is a NSK spherical roller bearing, bore 100 mm, O.D. 150 mm, width 37 mm. Dimensions, drawing, interchanges and price.

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Bore d100mm

Outside dia. D150mm

Width B37mm

Dynamic Cr47,500lbs

Static C0r75,500lbs

Limiting speed2,200rpm

Weight2.277kg

Cr / C0r0.63

Mean dia. dm125mm

Original catalogue drawing - NSK catalogue, page 79

23020CDE4 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	100	3.937
D	Outside diameter	150	5.9055
B	Inner-ring / bearing width	37	1.4567

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)	100
Bore d (in)	3.9370
Outside dia. D (mm)	150
Outside dia. D (in)	5.9055
Width B (mm)	37
Width B (in)	1.4567

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	47500
Basic static load rating Cor (lbs)	75500
Limiting speed - grease (rpm)	2,200
Limiting speed - oil (rpm)	2,800

Weight

Weight (kg)	2.277

Mounting dimensions (fillets / shoulders)

Chamfer r (in)	0.059
Shaft shoulder da min (in)	4.29
Shaft shoulder da max (in)	4.42
Housing shoulder Da min (in)	5.34
Housing shoulder Da max (in)	5.55

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 700 rpm
4	52,823	102	2,419
6	35,215	392	9,345
8	26,411	1,024	24,381
10	21,129	2,154	51,296
15	14,086	8,323	198,178

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 211,291 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.81 (dimensions) / p.82 (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
NN3020-AS-K-M-SP	FAG	Cylindrical Roller	100	150	37	146 kN	2.23
SL183020	FAG	Cylindrical Roller	100	150	37	216 kN	2.15

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
NCF3020V	NSK	Cylindrical Roller	100	150	37	257 kN	2.1
NN3020	NSK	Precision / Angular Contact	100	150	37	35,300 lbs	2.245

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
21320CAME4	NSK	Spherical Roller	100	215	47	495 kN	8.46
21320CE4	NSK	Spherical Roller	100	215	47	495 kN	8.46
22220CAME4	NSK	Spherical Roller	100	180	46	74,000 lbs	4.899
22220EAE4	NSK	Spherical Roller	100	180	46	82,000 lbs	4.831
22220HE4	NSK	Spherical Roller	100	180	46	84,000 lbs	4.563
22320CAME4	NSK	Spherical Roller	100	215	73	135,000 lbs	12.483
22320EAE4	NSK	Spherical Roller	100	215	73	155,000 lbs	12.673
22320HE4	NSK	Spherical Roller	100	215	73	150,000 lbs	12.029

Request a quotation for 23020CDE4

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