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NSK 7009CTYDBC7P5 bearing pair, shrink-wrapped, beside its labeled box and bearing inspection card

Two NSK 7009CTYDBC7P5 angular contact ball bearings, a matched pair, on plastic packaging

Pair of NSK 7009CTYDBC7P5 angular contact ball bearings resting on plastic wrap

NSK 7009CTYDBC7P5 angular contact ball bearings, a matched pair, shown on plastic wrap

NSK 7009CTYDBC7P5 angular contact ball bearings, a matched pair, resting on plastic wrap

NSK 7009CTYDBC7P5 angular contact ball bearing marked 7009C DBC7P5, on plastic wrap

Pair of NSK 7009CTYDBC7P5 angular contact ball bearings resting on plastic packaging

Pair of NSK 7009CTYDBC7P5 angular contact ball bearings marked NSK Japan 7009, on clear plastic

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NSK7009CTYDBC7P5Super Precision Angular Contact Ball Bearing — 45 mm ID, 75 mm OD, 16 mm Width, 15° Contact Angle, Back-to-Back Matched Pair, C7 Preload, P5 Accuracy, Ball-Guided Cage

Name: NSK 7009CTYDBC7P5 Super Precision Angular Contact Ball Bearing — 45 mm ID, 75 mm OD, 16 mm Width, 15° Contact Angle, Back-to-Back Matched Pair, C7 Preload, P5 Accuracy, Ball-Guided Cage
Brand: NSK
SKU: B-AG1B4#XETKN6
Price: 200.52 USD
Availability: InStock

Condition: New

Availability:

1 in stock

Categories: Bearings, Angular Contact Ball Bearing

Super precision angular contact ball bearing, 45x75x16 mm, 15 degree contact angle, back-to-back matched pair, C7 preload, P5 accuracy, 30,500 N dynamic.

List Price

$200.52

1 in stock

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Specifications

Key Specifications

MFR / Brand	NSK
MPN	7009CTYDBC7P5
Model	7009 C TY DB C7 P5 / 2MM9109 WI CR / B7009E
Bearing Type	Angular Contact Ball Bearing, Open
ID	45 mm
OD	75 mm
Width	16 mm

Technical Specifications

Material	Bearing Steel
Series	NSK 7000C Super Precision
Preload	C7 (DB preload class)
Base Number	7009C
Industry Terms	Super precision bearing; spindle bearing; precision angular contact; back-to-back pair; DB set; matched pair; 15 degree ACBB
Common Misspellings	7009 CTY DB C7 P5; 7009CTYDBC7-P5; 7009CTY DBC7P5; NSK7009CDB; 7009 C TY D B C 7 P 5
Application Types	Machine tool spindles; grinding spindles; high-speed motor spindles; precision rotary tables; test and metrology equipment
Overall Width	16 mm
Mpn Variants	7009CTYDBC7P5; 7009C TY DB C7 P5; 7009-C-TY-DB-C7-P5; 7009CTYDB; 7009CTYDBC7
Precision Class	ABEC 5 / P5
Additional Attributes	Effective load centre a: 16.0 mm; Permissible axial load Pa: 12.4 kN; da min 51 mm; Da max 69 mm; Db max 70 mm; r min 1 mm; r1 min 0.6 mm; ra max 1 mm; rb max 0.5 mm; recommended grease quantity 1.4 g per bearing; accuracy grades offered in this size: P5, P4, P4Y, P3; cage options offered: TY, TYN, TR, TSR, MY; preload classes offered: EL, L, M, H
Cage Type	Ball-guided
Dynamic Load Rating	30,500 N
Static Load Rating	19,300 N
Rolling Elements	Ball
Item Weight	0.238 kg (0.525 lb) per bearing
Number Of Rows	1
Bore Type	Straight
Snap Ring Included	Without Snap Ring
Limiting Speed	19,200 rpm grease; 29,200 rpm oil
Lubricant	Grease or oil/oil-air
Harmonization Code	8482.10.50
Contact Angle	15°
Mounting Arrangement	Back-to-back (DB)
Bearing Material	Steel

Cross-References

Cross Reference 1	SKF 7009 CD/P4ADBA
Cross Reference 2	FAG B7009-C-T-P4S-DB
Cross Reference 3	Timken/Fafnir 2MM9109WI DUM
Cross Reference 4	Barden 109HDM
Cross Reference 5	RHP 7009CTDB
Cross Reference 6	Koyo 7009C DB
Cross Reference 7	NTN 7009C DB
Cross Reference 8	NACHI 7009C DB
Cross Reference 9	SKF 7009 ACD/P4A — same envelope at 25°, related not equivalent

Seller Part Number: B-AG1B4#XETKN6

Product Description

What this part is

NSK 7009C TY DB C7 P5 is a super-precision single-row angular contact ball bearing supplied as a back-to-back matched pair. Bore Diameter: 45 mm. Outside Diameter: 75 mm. Overall Width: 16 mm. Contact Angle: 15°. Rolling Elements: Ball. Bore Type: Straight. Closure Type: Open. Number Of Rows: 1 per bearing. Precision Class: ABEC 5 / P5. Bearing Material: Steel. Series: NSK 7000C super precision. Base Number: 7009C.

Decoding the designation

7009 — 70 series super-precision angular contact ball bearing in the 09 bore size, giving a 45 mm bore.

C — 15° contact angle.

TY — ball-guided cage.

DB — back-to-back pairing, with the contact lines diverging for wide effective spread and high moment stiffness.

C7 — NSK preload class for the DB pair.

P5 — ISO/JIS class 5 accuracy, equivalent to ABEC 5.

What these specs mean in practice

Dynamic Load Rating: 30,500 N (6,857 lbf) per bearing. Static Load Rating: 19,300 N (4,339 lbf) per bearing. Limiting Speed: 19,200 rpm grease; 29,200 rpm oil. Permissible axial load Pa: 12.4 kN per bearing. Item Weight: 0.238 kg (0.525 lb) per bearing. Lubricant: grease or oil/oil-air, at a recommended grease quantity of 1.4 g per bearing.

Mounting data

Effective load centre a: 16.0 mm. Shaft abutment diameter da min: 51 mm. Housing abutment diameter Da max: 69 mm. Housing abutment diameter Db max: 70 mm. Chamfer r min: 1 mm. Chamfer r1 min: 0.6 mm. Shaft fillet ra max: 1 mm. Housing fillet rb max: 0.5 mm.

Quantity and configuration

Unit Quantity: 2 Pcs. Mounting Arrangement: back-to-back (DB). Preload: C7 class. Load ratings and mass are stated per bearing, not for the set.

Interchange guidance

Equivalents at the same 45 × 75 × 16 mm envelope and 15° contact angle include SKF 7009 CD/P4ADBA, FAG B7009-C-T-P4S-DB, Timken/Fafnir 2MM9109WI DUM, Barden 109HDM, RHP 7009CTDB, Koyo 7009C DB, NTN 7009C DB and NACHI 7009C DB. SKF 7009 ACD/P4A shares the same envelope at 25° and is related, not equivalent.