6907NSKBall

Name: NSK 6907 Ball Bearing
Brand: NSK
SKU: 6907

6907 is a NSK ball bearing, bore 35 mm, O.D. 55 mm, width 10 mm, dynamic rating 2,380 lbs. Dimensions, drawing, interchanges and price.

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Bore d35mm

Outside dia. D55mm

Width B10mm

Dynamic Cr2,380lbs

Static C0r1,630lbs

Limiting speed12,000rpm

Weight0.073kg

Cr / C0r1.46

Mean dia. dm45mm

Original catalogue drawing - NSK catalogue, page 23

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	10	0.3937
r	Chamfer (min)	0.61	0.024

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)	10
Width B (in)	0.3937

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	2380
Basic static load rating Cor (lbs)	1630
Limiting speed - grease (rpm)	12,000
Limiting speed - oil (rpm)	15,000
Factor f0	15.5

Weight

Weight (kg)	0.073

Mounting dimensions (fillets / shoulders)

Chamfer r (in)	0.024
Shaft shoulder da min (in)	1.535
Shaft shoulder da max (in)	1.535
Housing shoulder Da max (in)	2.008

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 3,000 rpm
4	2,647	64	356
6	1,764	216	1,200
8	1,323	512	2,844
10	1,059	1,000	5,556
15	706	3,375	18,750

Basic rating life per ISO 281: L₁₀ = (C/P)³ with C = 10,587 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.25 (dimensions) / p.26 (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
61907	FAG	Ball	35	55	10	10.1 kN	0.076
61907-2RSR	FAG	Ball	35	55	10	10.1 kN	0.076
61907-2Z	FAG	Ball	35	55	10	10.1 kN	0.076
B71907-C-T-P4S	FAG	Precision / Angular Contact	35	55	10	11.8 kN	0.083
B71907-E-T-P4S	FAG	Precision / Angular Contact	35	55	10	11 kN	0.082
HCB71907-C-T-P4S	FAG	Precision / Angular Contact	35	55	10	8.2 kN	0.08
HCB71907-E-T-P4S	FAG	Precision / Angular Contact	35	55	10	7.7 kN	0.08
HCS71907-C-T-P4S	FAG	Precision / Angular Contact	35	55	10	4.8 kN	0.076
HCS71907-E-T-P4S	FAG	Precision / Angular Contact	35	55	10	4.5 kN	0.076
HSS71907-C-T-P4S	FAG	Precision / Angular Contact	35	55	10	7 kN	0.076

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
7907A5	NSK	Precision / Angular Contact	35	55	10	2,580 lbs	0.073
7907C	NSK	Precision / Angular Contact	35	55	10	2,710 lbs	0.073

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
1207	NSK	Ball	35	72	17	3,600 lbs	0.331
1307	NSK	Ball	35	80	21	5,620 lbs	0.535
16007	NSK	Ball	35	62	9	12.8 kN	0.107
2207	NSK	Ball	35	72	23	7,190 lbs	0.399
2307	NSK	Ball	35	80	31	8,770 lbs	0.744
3207J	NSK	Ball	35	72	27	8,410 lbs	0.481
3307J	NSK	Ball	35	80	34.9	10,600 lbs	0.816
5207J	NSK	Ball	35	72	27	8,770 lbs	0.431

Request a quotation for 6907

Send us the quantity you need and we will come back with price and lead time, normally within 24 hours. Equivalent parts from other brands can be quoted at the same time.

Online enquiry form richard@bearingsfit.com WhatsApp +86 156 2149 6516