HR33011JNSKTapered Roller

Name: NSK HR33011J Tapered Roller Bearing
Brand: NSK
SKU: HR33011J

HR33011J is a NSK tapered roller bearing, bore 55 mm, O.D. 90 mm, width 27 mm, dynamic rating 20,600 lbs. Dimensions, drawing, interchanges and price.

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Bore d55mm

Outside dia. D90mm

Width B27mm

Dynamic Cr20,600lbs

Static C0r31,000lbs

Limiting speed3,800rpm

Weight0.658kg

Cr / C0r0.66

Mean dia. dm72.5mm

Original catalogue drawing - NSK catalogue, page 119

HR33011J NSK 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	55	2.1654
D	Outside diameter	90	3.5433
B	Inner-ring / bearing width	27	1.063
T	Overall assembly width	27	1.063
C	Cup / outer-ring width	21	0.8268

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)	90
Outside dia. D (in)	3.5433
Width B (mm)	27
Width B (in)	1.0630
Overall width T (mm)	27
Overall width T (in)	1.0630
Cup width C (mm)	21
Cup width C (in)	0.8268

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	20600
Basic static load rating Cor (lbs)	31000
Limiting speed - grease (rpm)	3,800
Limiting speed - oil (rpm)	5,300

Weight

Weight (kg)	0.658

Mounting dimensions (fillets / shoulders)

Chamfer r (in)	0.06
Shaft shoulder da min (in)	2.598
Housing shoulder Da max (in)	3.189
Shaft shoulder db max (in)	2.441

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 1,200 rpm
4	22,908	102	1,411
6	15,272	392	5,451
8	11,454	1,024	14,222
10	9,163	2,154	29,923
15	6,109	8,323	115,604

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 91,633 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.121 (dimensions) / p.122 (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
33011	FAG	Tapered Roller	55	90	27	93 kN	0.673
33011	Timken	Tapered Roller	55	90	27	99.5 kN	0.66
X33011/Y33011	Timken	Tapered Roller	55	90	27	-	-

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
HR33011	NSK	Tapered Roller	55	90	27	112 kN	0.657

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
HR30211	NSK	Tapered Roller	55	100	21	116 kN	0.736
HR30211J	NSK	Tapered Roller	55	100	21	21,200 lbs	0.735
HR30311	NSK	Tapered Roller	55	120	29	184 kN	1.63
HR30311J	NSK	Tapered Roller	55	120	29	33,700 lbs	1.628
HR31311	NSK	Tapered Roller	55	120	29	161 kN	1.58
HR31311J	NSK	Tapered Roller	55	120	29	29,400 lbs	1.579
HR32011	NSK	Tapered Roller	55	90	23	100 kN	0.568
HR32011XJ	NSK	Tapered Roller	55	90	23	81,500 lbs	0.567

Request a quotation for HR33011J

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