230/900CAME4NSKSpherical Roller

Name: NSK 230/900CAME4 Spherical Roller Bearing
Brand: NSK
SKU: 230/900CAME4

230/900CAME4 is a NSK spherical roller bearing, bore 900 mm, O.D. 1280 mm, width 280 mm. Dimensions, drawing, interchanges and price.

Brass cage

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Bore d900mm

Outside dia. D1280mm

Width B280mm

Dynamic Cr2,220,000lbs

Static C0r5,150,000lbs

Limiting speed160rpm

Weight1154.393kg

Cr / C0r0.43

Mean dia. dm1090mm

Original catalogue drawing - NSK catalogue, page 81

230/900CAME4 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	900	35.4331
D	Outside diameter	1280	50.3937
B	Inner-ring / bearing width	280	11.0236

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)	900
Bore d (in)	35.4331
Outside dia. D (mm)	1280
Outside dia. D (in)	50.3937
Width B (mm)	280
Width B (in)	11.0236

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	2220000
Basic static load rating Cor (lbs)	5150000
Limiting speed - grease (rpm)	160
Limiting speed - oil (rpm)	200

Weight

Weight (kg)	1154.393

Mounting dimensions (fillets / shoulders)

Chamfer r (in)	0.236
Shaft shoulder da min (in)	36.85
Shaft shoulder da max (in)	39.09
Housing shoulder Da min (in)	46.02
Housing shoulder Da max (in)	48.98

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 100 rpm
4	2,468,763	102	16,932
6	1,645,842	392	65,416
8	1,234,381	1,024	170,667
10	987,505	2,154	359,072
15	658,337	8,323	1,387,244

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 9,875,052 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.83 (dimensions) / p.84 (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
230/900-B-K-MB	FAG	Spherical Roller	900	1280	280	11100 kN	1153
230/900-B-MB	FAG	Spherical Roller	900	1280	280	11100 kN	1228

Series variants (different suffix)

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
230	NSK	Cylindrical Roller	150	270	45	77,000 lbs	11.34
230/1000CAME4	NSK	Spherical Roller	1000	1420	308	2,680,000 lbs	1560.358
230/1060CAME4	NSK	Spherical Roller	1060	1500	325	2,930,000 lbs	1781.711
230/1120CAME4	NSK	Spherical Roller	1120	1580	345	3,450,000 lbs	2120.091
230/1250CAME4	NSK	Spherical Roller	1250	1750	375	3,900,000 lbs	2760.563
230/500CAME4	NSK	Spherical Roller	500	720	167	850,000 lbs	218.178
230/530CAME4	NSK	Spherical Roller	530	780	185	990,000 lbs	295.742
230/560CAME4	NSK	Spherical Roller	560	820	195	1,120,000 lbs	343.369

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
231/900CAME4	NSK	Spherical Roller	900	1420	412	3,850,000 lbs	2480.697
239/900CAME4	NSK	Spherical Roller	900	1180	206	1,480,000 lbs	589.216

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