Bearing - 688 2Z RMB

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€3,49 / pcs €2,88 excl. VAT

In stock (3 pcs)

Delivery to: 25. 9. 2026 Delivery options

Quantity discount

1 - 4 pcs

€3,49 / pcs

5 - 9 pcs = discount 3 %

€3,39 / pcs

10 - 24 pcs = discount 6 %

€3,28 / pcs

25 - 49 pcs = discount 9 %

€3,18 / pcs

50 and more pcs = discount 12 %

€3,07 / pcs

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Bearing - 688 2Z RMB

8 × 16 × 5 mm. Miniature thin-section deep groove ball bearing with metal shields on both sides. Its highly compact design provides low friction and protection for precise small mechanisms.

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Product detailed description

Bearing - 688 2Z RMB

688 2Z RMB miniature deep groove ball bearing

This single-row thin-section deep groove ball bearing measures 8 × 16 × 5 mm. The 2Z version has non-contact metal shields on both sides to help retain lubricant and limit ingress of larger contaminants while maintaining low friction.

Key data

Bore diameter d	8 mm
Outside diameter D	16 mm
Width B	5 mm
Closure	Metal shields on both sides

Features and applications

supports radial loads and smaller axial loads in both directions,
small cross-section saves installation space and weight,
non-contact shields support smooth running and low friction,
suitable for small motors, fans, models, instruments and precision mechanisms.

Installation guidance

Use clean, accurate tools. Apply mounting force only to the ring with the interference fit, never through the balls, and protect the thin rings and shields from distortion.

Replacement check: compare the complete code 688 2Z RMB, dimensions and two-sided metal shielding. An open 688 or a 2RS sealed version is not automatically identical.

Additional parameters

Category:	Bearings
Inner diameter d (mm):	8
Outer diameter D (mm):	16
Width B (mm):	5

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We can arrange delivery of almost any RMB product, even if it is not currently listed in our catalogue.

Send us the designation, a photo of the nameplate, dimensions or a description of the application, and we will check availability.

RMB – product identification and supply

The RMB designation may appear on different technical products and spare parts. To identify the exact item reliably, we therefore work from the complete marking and the available technical data.

The exact item should be selected by its complete designation and technical parameters. Dimensions, design, material and operating conditions are important when matching a replacement.

For an accurate quotation, please provide the full marking, required quantity and any available documentation. We will compare the specification and verify a suitable delivery option.