HR33012JNSKTapered Roller

Name: NSK HR33012J Tapered Roller Bearing
Brand: NSK
SKU: HR33012J

HR33012J is a NSK tapered roller bearing, bore 60 mm, O.D. 95 mm, width 27 mm, dynamic rating 21,600 lbs. Dimensions, drawing, interchanges and price.

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Bore d60mm

Outside dia. D95mm

Width B27mm

Dynamic Cr21,600lbs

Static C0r33,700lbs

Limiting speed3,600rpm

Weight0.712kg

Cr / C0r0.64

Mean dia. dm77.5mm

Original catalogue drawing - NSK catalogue, page 119

HR33012J 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	60	2.3622
D	Outside diameter	95	3.7402
B	Inner-ring / bearing width	27	1.063
T	Overall assembly width	27	1.063
C	Cup / outer-ring width	21	0.8268

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)	60
Bore d (in)	2.3622
Outside dia. D (mm)	95
Outside dia. D (in)	3.7402
Width B (mm)	27
Width B (in)	1.0630
Overall width T (mm)	27
Overall width T (in)	1.0630
Cup width C (mm)	21
Cup width C (in)	0.8268

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	21600
Basic static load rating Cor (lbs)	33700
Limiting speed - grease (rpm)	3,600
Limiting speed - oil (rpm)	5,000

Weight

Weight (kg)	0.712

Mounting dimensions (fillets / shoulders)

Chamfer r (in)	0.06
Shaft shoulder da min (in)	2.795
Housing shoulder Da max (in)	3.386
Shaft shoulder db max (in)	2.598

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 1,200 rpm
4	24,020	102	1,411
6	16,014	392	5,451
8	12,010	1,024	14,222
10	9,608	2,154	29,923
15	6,405	8,323	115,604

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 96,082 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.121 (dimensions) / p.122 (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
33012	FAG	Tapered Roller	60	95	27	95 kN	0.714
X33012/Y33012	Timken	Tapered Roller	60	95	27	-	-

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
HR33012	NSK	Tapered Roller	60	95	27	118 kN	0.713

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
32212C	NSK	Tapered Roller	60	110	28	23,600 lbs	1.111
32312C	NSK	Tapered Roller	60	130	46	44,100 lbs	2.79
3800	NSK	Tapered Roller	60	125	33.5	186 kN	2.03
HR30212	NSK	Tapered Roller	60	110	22	127 kN	0.93
HR30212J	NSK	Tapered Roller	60	110	22	23,400 lbs	0.93
HR30312	NSK	Tapered Roller	60	130	31	214 kN	2.03
HR30312J	NSK	Tapered Roller	60	130	31	39,100 lbs	2.032
HR31312J	NSK	Tapered Roller	60	130	31	33,900 lbs	1.982

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