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STANDARD LOCKNUT Bearing Lock Washer: MB4, Metric, Steel, 0.039 in Washer Thick, KM - Bearing Lock Washers
STANDARD LOCKNUTBearing Lock Washers

STANDARD LOCKNUT Bearing Lock Washer: MB4, Metric, Steel, 0.039 in Washer Thick, KM

The STANDARD LOCKNUT Bearing Lock Washer MB4 is a steel bearing lock washer designed for use with KM compatible lock nuts and 1200 series bearings. It features a 0.039-inch washer thickness and is manufactured under…

SKU 3G-OTH-96098

Brand
STANDARD LOCKNUT
Item
Bearing Lock Washer: MB4, Metric, Steel, 0.039 in Washer Thick, KM
Category
Bearing Lock Washers
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

STANDARD LOCKNUT
Manufacturer Part Number
MB4
Type
Metric, Steel, KM, 1200/1300
Material
Steel
Washer Thick
0.039 in
Compatible Lock Nut
KM
Compatible Bearing Series
1200

Technical Documents

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STANDARD LOCKNUT Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The STANDARD LOCKNUT Bearing Lock Washer MB4 is a steel bearing lock washer designed for use with KM compatible lock nuts and 1200 series bearings. It features a 0.039-inch washer thickness and is manufactured under part number MB4.

Frequently Asked Questions

What is a STANDARD LOCKNUT MB4 bearing lock washer used for?

The STANDARD LOCKNUT MB4 bearing lock washer secures KM lock nuts on 1200 series bearings. It prevents loosening from vibration in rotating machinery, conveyors, and industrial drives. This steel washer with 0.039-inch thickness ensures reliable locking in power transmission and material handling applications.

What are the specifications of the STANDARD LOCKNUT MB4 bearing lock washer?

The STANDARD LOCKNUT MB4 is a metric steel bearing lock washer with 0.039-inch washer thickness. It is compatible with KM lock nuts and 1200/1300 series bearings. The manufacturer part number is MB4, and the brand is STANDARD LOCKNUT. It is designed for industrial shaft locking applications.

Where to buy STANDARD LOCKNUT MB4 bearing lock washer worldwide?

3G Electric supplies the STANDARD LOCKNUT MB4 bearing lock washer worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this steel bearing lock washer for KM lock nuts.

How to install a STANDARD LOCKNUT MB4 bearing lock washer?

Slide the STANDARD LOCKNUT MB4 washer onto the shaft against the bearing inner ring. Thread the KM lock nut onto the shaft and tighten to the recommended torque. Bend one tab of the washer into the lock nut slot and another into the shaft keyway to prevent rotation. Always follow manufacturer guidelines for proper seating.

Used in

Common applications for STANDARD LOCKNUT
Conveyor systems — STANDARD LOCKNUT bearing locknuts and lock washers secure bearings on conveyor roller shafts
Pump assemblies — Withdrawal sleeve assemblies like SNW3028 mount bearings on pump shafts for alignment and retention
Gearbox maintenance — STANDARD LOCKNUT lock washers (e.g., W38) used with N00 lock nuts to secure bearings in gearbox housings
Compressor units — Bearing locknuts (e.g., N14) provide axial clamping for compressor rotor bearings
Industrial fans — STANDARD LOCKNUT lock washers (e.g., TW128) with NHE lock nuts retain bearings in fan shaft assemblies
Machine tool spindles — Withdrawal sleeve assemblies (e.g., SNP3064) enable precise bearing mounting on spindle shafts

STANDARD LOCKNUT Products

3G Electric supplies STANDARD LOCKNUT bearing lock washers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
STANDARD LOCKNUT Bearing Lock Washer: MB5, Metric, Steel, 0.049 in Washer Thick, KM, 1200/1300
STANDARD LOCKNUT
STANDARD LOCKNUT Bearing Lock Washer: MB5, Metric, Steel, 0.049 in Washer Thick, KM, 1200/1300
STANDARD LOCKNUT Bearing Lock Washer: MB2, Metric, Steel, 0.039 in Washer Thick, KM, 1200/1300
STANDARD LOCKNUT
STANDARD LOCKNUT Bearing Lock Washer: MB2, Metric, Steel, 0.039 in Washer Thick, KM, 1200/1300
STANDARD LOCKNUT Bearing Lock Washer: MB24, Metric, Steel, 0.079 in Washer Thick, KM, 17 Tabs
STANDARD LOCKNUT
STANDARD LOCKNUT Bearing Lock Washer: MB24, Metric, Steel, 0.079 in Washer Thick, KM, 17 Tabs
STANDARD LOCKNUT Bearing Lock Washer: MB19, Metric, Steel, 0.071 in Washer Thick, KM, 17 Tabs
STANDARD LOCKNUT
STANDARD LOCKNUT Bearing Lock Washer: MB19, Metric, Steel, 0.071 in Washer Thick, KM, 17 Tabs
STANDARD LOCKNUT Bearing Lock Washer: MB28, Metric, Steel, 0.079 in Washer Thick, KM, 17 Tabs
STANDARD LOCKNUT
STANDARD LOCKNUT Bearing Lock Washer: MB28, Metric, Steel, 0.079 in Washer Thick, KM, 17 Tabs
STANDARD LOCKNUT Bearing Lock Washer: MB20, Metric, Steel, 0.071 in Washer Thick, KM, 17 Tabs
STANDARD LOCKNUT
STANDARD LOCKNUT Bearing Lock Washer: MB20, Metric, Steel, 0.071 in Washer Thick, KM, 17 Tabs

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