HR33111JNSKTapered Roller

Name: NSK HR33111J Tapered Roller Bearing
Brand: NSK
SKU: HR33111J

HR33111J is a NSK tapered roller bearing, bore 55 mm, O.D. 95 mm, width 30 mm, dynamic rating 25,200 lbs. Dimensions, drawing, interchanges and price.

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Bore d55mm

Outside dia. D95mm

Width B30mm

Dynamic Cr25,200lbs

Static C0r35,500lbs

Limiting speed3,800rpm

Weight0.875kg

Cr / C0r0.71

Mean dia. dm75mm

Original catalogue drawing - NSK catalogue, page 121

HR33111J 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	95	3.7402
B	Inner-ring / bearing width	30	1.1811
T	Overall assembly width	30	1.1811
C	Cup / outer-ring width	23	0.9055

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)	95
Outside dia. D (in)	3.7402
Width B (mm)	30
Width B (in)	1.1811
Overall width T (mm)	30
Overall width T (in)	1.1811
Cup width C (mm)	23
Cup width C (in)	0.9055

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	25200
Basic static load rating Cor (lbs)	35500
Limiting speed - grease (rpm)	3,800
Limiting speed - oil (rpm)	5,000

Weight

Weight (kg)	0.875

Mounting dimensions (fillets / shoulders)

Chamfer r (in)	0.06
Shaft shoulder da min (in)	2.598
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	28,024	102	1,411
6	18,683	392	5,451
8	14,012	1,024	14,222
10	11,210	2,154	29,923
15	7,473	8,323	115,604

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 112,095 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
33111	FAG	Tapered Roller	55	95	30	113 kN	0.894
33111	Timken	Tapered Roller	55	95	30	133 kN	0.84
X33111/Y33111	Timken	Tapered Roller	55	95	30	-	-

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
HR33111	NSK	Tapered Roller	55	95	30	138 kN	0.877

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 HR33111J

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