22311HE4NSKSpherical Roller

Name: NSK 22311HE4 Spherical Roller Bearing
Brand: NSK
SKU: 22311HE4

22311HE4 is a NSK spherical roller bearing, bore 55 mm, O.D. 120 mm, width 43 mm. Dimensions, drawing, interchanges and price.

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Bore d55mm

Outside dia. D120mm

Width B43mm

Dynamic Cr51,000lbs

Static C0r59,500lbs

Limiting speed3,400rpm

Weight2.136kg

Cr / C0r0.86

Mean dia. dm87.5mm

Original catalogue drawing - NSK catalogue, page 75

22311HE4 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	55	2.1654
D	Outside diameter	120	4.7244
B	Inner-ring / bearing width	43	1.6929

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)	55
Bore d (in)	2.1654
Outside dia. D (mm)	120
Outside dia. D (in)	4.7244
Width B (mm)	43
Width B (in)	1.6929

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	51000
Basic static load rating Cor (lbs)	59500
Limiting speed - grease (rpm)	3,400
Limiting speed - oil (rpm)	4,300

Weight

Weight (kg)	2.136

Mounting dimensions (fillets / shoulders)

Chamfer r (in)	0.078
Shaft shoulder da min (in)	2.56
Shaft shoulder da max (in)	2.75
Housing shoulder Da min (in)	4.02
Housing shoulder Da max (in)	4.33

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 1,100 rpm
4	56,715	102	1,539
6	37,810	392	5,947
8	28,357	1,024	15,515
10	22,686	2,154	32,643
15	15,124	8,323	126,113

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 226,859 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
2311-2RS-TVH	FAG	Ball	55	120	43	52 kN	2.28
2311-K-TVH-C3	FAG	Ball	55	120	43	77 kN	2.02
2311-TVH	FAG	Ball	55	120	43	77 kN	2.07
4311-B-TVH	FAG	Ball	55	120	43	111 kN	2.06
NJ2311-E-TVP2	FAG	Cylindrical Roller	55	120	43	235 kN	2.27
NJ2311-E-XL-TVP2	FAG	Cylindrical Roller	55	120	43	235 kN	2.27
NU2311-E-TVP2	FAG	Cylindrical Roller	55	120	43	235 kN	2.23
NU2311-E-XL-TVP2	FAG	Cylindrical Roller	55	120	43	235 kN	2.23
NUP2311-E-TVP2	FAG	Cylindrical Roller	55	120	43	235 kN	2.31
NUP2311-E-XL-TVP2	FAG	Cylindrical Roller	55	120	43	235 kN	2.31

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
2311	NSK	Ball	55	120	43	16,900 lbs	2.291
2311	NSK	Cylindrical Roller	55	120	43	33,200 lbs	2.136
NU2311E	NSK	Cylindrical Roller	55	120	43	247 kN	2.18
22311CAME4	NSK	Spherical Roller	55	120	43	47,000 lbs	2.236
22311EAE4	NSK	Spherical Roller	55	120	43	52,500 lbs	2.295
HR32311	NSK	Tapered Roller	55	120	43	251 kN	2.39
HR32311J	NSK	Tapered Roller	55	120	43	45,900 lbs	2.39

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
21311EAE4	NSK	Spherical Roller	55	120	29	178 kN	1.58
22211CAME4	NSK	Spherical Roller	55	100	25	23,400 lbs	0.812
22211EAE4	NSK	Spherical Roller	55	100	25	26,700 lbs	0.807
22211HE4	NSK	Spherical Roller	55	100	25	27,400 lbs	0.757
22311CAME4	NSK	Spherical Roller	55	120	43	47,000 lbs	2.236
22311EAE4	NSK	Spherical Roller	55	120	43	52,500 lbs	2.295
22210CAME4	NSK	Spherical Roller	50	90	23	18,500 lbs	0.581
22210EAE4	NSK	Spherical Roller	50	90	23	22,200 lbs	0.608

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