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NTN7209CT1GD2GMP4Angular Contact Ball Bearing – 45 x 85 x 19 mm, Matched Duplex Pair, 15° Contact Angle, Medium Preload, ABEC 7, Open

Condition: New

Availability:

3 in stock

Matched duplex angular contact ball bearing pair, 45 x 85 x 19 mm, 15 degree contact angle, ABEC 7 precision, medium preload, 41 kN dynamic capacity.

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$227.78

3 in stock

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Specifications

Key Specifications

MFR / BrandNTN
MPN7209CT1GD2GMP4
Model7209 C T1 GD2 GM P4 2MM209WI CR DUM
Bearing TypeAngular Contact Ball Bearing, Open
ID45 mm
OD85 mm
Width19 mm

Technical Specifications

MaterialHigh Carbon Chrome Steel
Series72
PreloadMedium (GM)
Base Number7209
Total Width38 mm
Overall Width19 mm
Bore Shaft Size45 mm
Mpn Variants7209C; 7209CT1; 7209 C T1 GD2GM/DUM P4; 7209CT1GD2GMP4
Arrangement ConfigurationMatched universally ground duplex pair (GD2)
Precision ClassISO Class 4
Dynamic Load Rating C141.00 kN (9,200 lbf)
Additional AttributesShaft abutment da min 52.0 mm; db min 49.5 mm; housing abutment Da max 78.0 mm; Db max 80.5 mm; shaft fillet radius r min 1.1 mm; r1 min 0.6 mm; effective load centre a 18.2 mm; calculation factor 14.2
Min Temp-40 °C
Dynamic Load Rating41.00 kN (9,200 lbf)
Static Load Rating28.80 kN (6,450 lbf)
Precision RatingABEC 7
Rolling ElementsBall
Max Temp120 °C
Item Weight0.400 kg (0.882 lb) per bearing
Limiting Speed13500
Number Of Rows1
Bore TypeStraight
LubricantGrease or oil
Harmonization Code8482.10.50
Contact Angle15°
Mounting ArrangementBack-to-back, face-to-face or tandem
Design UnitsMetric
Part Number7209CT1GD2GMP4
Seller Part Number: B-AG5B1#MM5UVH

Product Description

What this part is

This is an NTN 7209CT1GD2GMP4 angular contact ball bearing supplied as a matched duplex pair. Each bearing measures Bore / Shaft Size: 45 mm, Outside Diameter: 85 mm, Overall Width: 19 mm, and the mounted pair stacks to a Total Width: 38 mm. Item weight: 0.400 kg (0.882 lb) per bearing. Rolling Elements: Ball. Number Of Rows: 1. Closure Type: Open. Seal type: Open. Bore Type: Straight. Material: High Carbon Chrome Steel. Design Units: Metric.

Decoding the designation

7209 — the ISO 7209 size, 45 x 85 x 19 mm.

C — Contact Angle: 15°.

GD2 — universally ground for duplex mounting, so the pair can be set back-to-back, face-to-face or in tandem.

GM — Preload: Medium.

P4 — ISO Class 4, ABEC 7.

What these specs mean in practice

Dynamic load rating: 41.00 kN (9,200 lbf). Static load rating: 28.80 kN (6,450 lbf). Limiting Speed: 13,500 rpm grease / 17,500 rpm oil. Precision Class: ISO Class 4. Precision rating: ABEC 7. Lubricant: Grease or oil. Max temp: 120 °C. Min temp: -40 °C. The 15° contact angle favours radial capacity and high speed, and the medium preload holds the set stiff and axially located under load.

Mounting data

Shaft fillet radius r min: 1.1 mm. Second fillet radius r1 min: 0.6 mm. Shaft abutment da min: 52.0 mm. Shaft abutment db min: 49.5 mm. Housing abutment Da max: 78.0 mm. Housing abutment Db max: 80.5 mm. Effective load centre a: 18.2 mm. Calculation factor: 14.2.

Quantity and configuration

Unit Quantity: 2 Pcs. Arrangement / Configuration: Matched universally ground duplex pair (GD2). Mounting Arrangement: Back-to-back, face-to-face or tandem. Preload: Medium (GM). The two bearings ship together as a ground and matched set.

Interchange guidance

Series: 72. Base Number: 7209. Part Number: 7209CT1GD2GMP4. MPN Variants: 7209C, 7209CT1, 7209 C T1 GD2GM/DUM P4, 7209CT1GD2GMP4.

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