HR32907JNSKTapered Roller

Name: NSK HR32907J Tapered Roller Bearing
Brand: NSK
SKU: HR32907J

HR32907J is a NSK tapered roller bearing, bore 35 mm, O.D. 55 mm, width 14 mm, dynamic rating 6,160 lbs. Dimensions, drawing, interchanges and price.

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Bore d35mm

Outside dia. D55mm

Width B14mm

Dynamic Cr6,160lbs

Static C0r8,770lbs

Limiting speed6,300rpm

Weight0.122kg

Cr / C0r0.7

Mean dia. dm45mm

Original catalogue drawing - NSK catalogue, page 117

HR32907J 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	35	1.378
D	Outside diameter	55	2.1654
B	Inner-ring / bearing width	14	0.5512
T	Overall assembly width	14	0.5512
C	Cup / outer-ring width	11.5	0.4528

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)	35
Bore d (in)	1.3780
Outside dia. D (mm)	55
Outside dia. D (in)	2.1654
Width B (mm)	14.0000
Width B (in)	0.5512
Overall width T (mm)	14
Overall width T (in)	0.5512
Cup width C (mm)	11.5
Cup width C (in)	0.4528

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	6160
Basic static load rating Cor (lbs)	8770
Limiting speed - grease (rpm)	6,300
Limiting speed - oil (rpm)	8,500

Weight

Weight (kg)	0.122

Mounting dimensions (fillets / shoulders)

Chamfer r (in)	0.02
Shaft shoulder da min (in)	1.693
Housing shoulder Da max (in)	1.969
Shaft shoulder db max (in)	0.067

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 2,100 rpm
4	6,850	102	806
6	4,567	392	3,115
8	3,425	1,024	8,127
10	2,740	2,154	17,099
15	1,827	8,323	66,059

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 27,401 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.119 (dimensions) / p.120 (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
32907	FAG	Tapered Roller	35	55	14	27.5 kN	0.127

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
HR32907	NSK	Tapered Roller	35	55	14	33.5 kN	0.123

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
HR30207	NSK	Tapered Roller	35	72	17	66.5 kN	0.34
HR30207C	NSK	Tapered Roller	35	72	17	10,600 lbs	0.324
HR30207J	NSK	Tapered Roller	35	72	17	12,100 lbs	0.34
HR30307	NSK	Tapered Roller	35	80	21	93.5 kN	0.538
HR30307C	NSK	Tapered Roller	35	80	21	15,300 lbs	0.508
HR30307J	NSK	Tapered Roller	35	80	21	17,100 lbs	0.54
HR31307	NSK	Tapered Roller	35	80	21	76.5 kN	0.52
HR31307J	NSK	Tapered Roller	35	80	21	13,900 lbs	0.522

Request a quotation for HR32907J

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