HR33109JNSKTapered Roller

Name: NSK HR33109J Tapered Roller Bearing
Brand: NSK
SKU: HR33109J

HR33109J is a NSK tapered roller bearing, bore 45 mm, O.D. 80 mm, width 26 mm, dynamic rating 18,900 lbs. Dimensions, drawing, interchanges and price.

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Bore d45mm

Outside dia. D80mm

Width B26mm

Dynamic Cr18,900lbs

Static C0r25,400lbs

Limiting speed4,500rpm

Weight0.553kg

Cr / C0r0.74

Mean dia. dm62.5mm

Original catalogue drawing - NSK catalogue, page 121

HR33109J 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	45	1.7717
D	Outside diameter	80	3.1496
B	Inner-ring / bearing width	26	1.0236
T	Overall assembly width	26	1.0236
C	Cup / outer-ring width	20.5	0.8071

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)	45
Bore d (in)	1.7717
Outside dia. D (mm)	80
Outside dia. D (in)	3.1496
Width B (mm)	26
Width B (in)	1.0236
Overall width T (mm)	26
Overall width T (in)	1.0236
Cup width C (mm)	20.5
Cup width C (in)	0.8071

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	18900
Basic static load rating Cor (lbs)	25400
Limiting speed - grease (rpm)	4,500
Limiting speed - oil (rpm)	6,000

Weight

Weight (kg)	0.553

Mounting dimensions (fillets / shoulders)

Chamfer r (in)	0.06
Shaft shoulder da min (in)	2.205
Shaft shoulder db max (in)	2.008

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 1,500 rpm
4	21,018	102	1,129
6	14,012	392	4,361
8	10,509	1,024	11,378
10	8,407	2,154	23,938
15	5,605	8,323	92,483

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 84,071 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.123 (dimensions) / p.124 (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
33109	FAG	Tapered Roller	45	80	26	83 kN	0.597
33109	Timken	Tapered Roller	45	80	26	95.1 kN	0.54

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
HR30209C	NSK	Tapered Roller	45	85	19	14,200 lbs	0.476
HR30209J	NSK	Tapered Roller	45	85	19	15,400 lbs	0.49
HR30210	NSK	Tapered Roller	45	90	20	94 kN	0.557
HR30309	NSK	Tapered Roller	45	100	25	138 kN	1.01
HR30309C	NSK	Tapered Roller	45	100	25	23,200 lbs	0.984
HR30309J	NSK	Tapered Roller	45	100	25	25,200 lbs	1.012
HR30310	NSK	Tapered Roller	45	110	27	160 kN	1.28
HR31309	NSK	Tapered Roller	45	100	25	118 kN	0.947

Request a quotation for HR33109J

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