HR33108NSKTapered Roller

Name: NSK HR33108 Tapered Roller Bearing
Brand: NSK
SKU: HR33108

HR33108 is a NSK tapered roller bearing, bore 40 mm, O.D. 75 mm, width 26 mm, dynamic rating 96.5 kN. Dimensions, drawing, interchanges and price.

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Bore d40mm

Outside dia. D75mm

Width B26mm

Dynamic Cr96.5kN

Static C0r101kN

Limiting speed4,800rpm

Weight0.503kg

Cr / C0r0.96

Mean dia. dm57.5mm

Original catalogue drawing - NSK E1103, page 263

HR33108 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	40	1.5748
D	Outside diameter	75	2.9528
B	Inner-ring / bearing width	26	1.0236
T	Overall assembly width	26	1.0236
C	Cup / outer-ring width	20.5	0.8071
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)	40
Outside dia. D (mm)	75
Width B (mm)	26
Overall width T (mm)	26
Cup width C (mm)	20.5

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	21694
Basic static load rating Cor (lbs)	22706
Basic dynamic load rating Cr (N)	96500
Basic static load rating C0r (N)	101000
Limiting speed - grease (rpm)	4,800
Effective load centre a (mm)	1.5

Weight

Weight (kg)	0.503

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 1,600 rpm
4	24,125	102	1,058
6	16,083	392	4,089
8	12,062	1,024	10,667
10	9,650	2,154	22,442
15	6,433	8,323	86,703

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 96,500 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.263 (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
33108	FAG	Tapered Roller	40	75	26	78 kN	0.541
33108-XL	FAG	Tapered Roller	40	75	26	93 kN	0.517
33108	Timken	Tapered Roller	40	75	26	88 kN	0.49
X33108/Y33108	Timken	Tapered Roller	40	75	26	-	-
XAA33108/Y33108	Timken	Tapered Roller	40	75	26	88 kN	0.5

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
HR30208	NSK	Tapered Roller	40	80	18	78 kN	0.437
HR30208C	NSK	Tapered Roller	40	80	18	24,100 lbs	0.424
HR30208J	NSK	Tapered Roller	40	80	18	14,300 lbs	0.44
HR30308	NSK	Tapered Roller	40	90	23	111 kN	0.758
HR30308C	NSK	Tapered Roller	40	90	23	19,000 lbs	0.717
HR30308J	NSK	Tapered Roller	40	90	23	20,300 lbs	0.757
HR31308	NSK	Tapered Roller	40	90	23	98 kN	0.728
HR31308J	NSK	Tapered Roller	40	90	23	18,000 lbs	0.73

Request a quotation for HR33108

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