HR33015NSKTapered Roller

Name: NSK HR33015 Tapered Roller Bearing
Brand: NSK
SKU: HR33015

HR33015 is a NSK tapered roller bearing, bore 75 mm, O.D. 115 mm, width 31 mm, dynamic rating 163 kN. Dimensions, drawing, interchanges and price.

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Bore d75mm

Outside dia. D115mm

Width B31mm

Dynamic Cr163kN

Static C0r220kN

Limiting speed3,000rpm

Weight1.18kg

Cr / C0r0.74

Mean dia. dm95mm

Original catalogue drawing - NSK E1103, page 265

HR33015 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	75	2.9528
D	Outside diameter	115	4.5276
B	Inner-ring / bearing width	31	1.2205
T	Overall assembly width	31	1.2205
C	Cup / outer-ring width	25.5	1.0039
r	Chamfer (min)	1.5	0.0591

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)	75
Outside dia. D (mm)	115
Width B (mm)	31
Overall width T (mm)	31
Cup width C (mm)	25.5

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	36644
Basic static load rating Cor (lbs)	49458
Basic dynamic load rating Cr (N)	163000
Basic static load rating C0r (N)	220000
Limiting speed - grease (rpm)	3,000
Effective load centre a (mm)	1.5

Weight

Weight (kg)	1.18

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)	1.5

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 1,000 rpm
4	40,750	102	1,693
6	27,167	392	6,542
8	20,375	1,024	17,067
10	16,300	2,154	35,907
15	10,867	8,323	138,724

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 163,000 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.265 (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
33015	FAG	Tapered Roller	75	115	31	137 kN	1.16
33015	Timken	Tapered Roller	75	115	31	158 kN	1.15
X33015/Y33015	Timken	Tapered Roller	75	115	31	-	-

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
HR33015J	NSK	Tapered Roller	75	115	31	29,900 lbs	1.179

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
3000	NSK	Tapered Roller	75	160	37	259 kN	3.47
32315C	NSK	Tapered Roller	75	160	55	69,700 lbs	5.262
HR30215J	NSK	Tapered Roller	75	130	25	32,100 lbs	1.429
HR30315J	NSK	Tapered Roller	75	160	37	56,900 lbs	3.629
HR31315J	NSK	Tapered Roller	75	160	37	47,400 lbs	3.475
HR32015XJ	NSK	Tapered Roller	75	115	25	109,000 lbs	0.925
HR32215J	NSK	Tapered Roller	75	130	31	37,100 lbs	1.724
HR32315J	NSK	Tapered Roller	75	160	55	76,400 lbs	5.312

Request a quotation for HR33015

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