HR33120NSKTapered Roller

Name: NSK HR33120 Tapered Roller Bearing
Brand: NSK
SKU: HR33120

HR33120 is a NSK tapered roller bearing, bore 100 mm, O.D. 165 mm, width 52 mm, dynamic rating 390 kN. Dimensions, drawing, interchanges and price.

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Bore d100mm

Outside dia. D165mm

Width B52mm

Dynamic Cr390kN

Static C0r515kN

Limiting speed2,000rpm

Weight4.32kg

Cr / C0r0.76

Mean dia. dm132.5mm

Original catalogue drawing - NSK E1103, page 266

HR33120 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	100	3.937
D	Outside diameter	165	6.4961
B	Inner-ring / bearing width	52	2.0472
T	Overall assembly width	52	2.0472
C	Cup / outer-ring width	40	1.5748
r	Chamfer (min)	2	0.0787

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
Outside dia. D (mm)	165
Width B (mm)	52
Overall width T (mm)	52
Cup width C (mm)	40

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	87675
Basic static load rating Cor (lbs)	115777
Basic dynamic load rating Cr (N)	390000
Basic static load rating C0r (N)	515000
Limiting speed - grease (rpm)	2,000
Effective load centre a (mm)	2.5

Weight

Weight (kg)	4.32

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)	2

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 600 rpm
4	97,500	102	2,822
6	65,000	392	10,903
8	48,750	1,024	28,444
10	39,000	2,154	59,845
15	26,000	8,323	231,207

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 390,000 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 CAT. No. E1103 (metric)
Catalogue page	p.266 (dimensions)

Load ratings in newtons, weights in kg, limiting speeds for grease and oil lubrication.

Interchange - same dimensions, other brands

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
23120-E1-XL-K-TVPB	FAG	Spherical Roller	100	165	52	450 kN	4.1
23120-E1-XL-TVPB	FAG	Spherical Roller	100	165	52	450 kN	4.2
23120-E1A-XL-K-M	FAG	Spherical Roller	100	165	52	450 kN	4.2
23120-E1A-XL-M	FAG	Spherical Roller	100	165	52	450 kN	4.4
33120	FAG	Tapered Roller	100	165	52	325 kN	4.46

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
23120CAME4	NSK	Spherical Roller	100	165	52	78,000 lbs	4.196
23120CE4	NSK	Spherical Roller	100	165	52	78,000 lbs	4.318
HR33120J	NSK	Tapered Roller	100	165	52	70,800 lbs	4.4

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
HR30220	NSK	Tapered Roller	100	180	34	315 kN	3.78
HR30220J	NSK	Tapered Roller	100	180	34	57,300 lbs	3.778
HR30320	NSK	Tapered Roller	100	215	47	520 kN	8.41
HR30320J	NSK	Tapered Roller	100	215	47	95,500 lbs	8.41
HR31320	NSK	Tapered Roller	100	215	51	475 kN	9.02
HR31320J	NSK	Tapered Roller	100	215	47	67,200 lbs	9.022
HR32020XJ	NSK	Tapered Roller	100	150	32	176,000 lbs	1.95
HR32220	NSK	Tapered Roller	100	180	46	400 kN	5.05

Request a quotation for HR33120

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