{"id":10214,"date":"2025-05-22T07:16:04","date_gmt":"2025-05-22T07:16:04","guid":{"rendered":"https:\/\/www.skf-eu.com\/?post_type=product&p=10214"},"modified":"2025-05-22T07:16:32","modified_gmt":"2025-05-22T07:16:32","slug":"self-aligning-ball-bearings-with-dust-covers-zz2z-type","status":"publish","type":"product","link":"https:\/\/www.skf-eu.com\/vi\/san-pham\/self-aligning-ball-bearings-with-dust-covers-zz2z-type\/","title":{"rendered":"Self-Aligning Ball Bearings with Dust Covers (ZZ2Z Type)"},"content":{"rendered":"

Self-Aligning Ball Bearings with Dust Covers (ZZ\/2Z Type) \u2013 Overview<\/strong><\/h2>\n

Self-aligning ball bearings<\/strong><\/a> with dust covers (ZZ or 2Z type) feature a double-row ball design with a spherical outer ring raceway, enabling automatic compensation for misalignment between the shaft and housing. These bearings are equipped with metal shields on both sides (ZZ\/2Z designation), effectively blocking dust and contaminants while retaining lubrication.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Technical\u00a0\u00a0\u00a0Specification Table (Common Models)<\/th>\n<\/tr>\n<\/thead>\n
Model<\/td>\nBore Diameter (d)<\/td>\nOuter Diameter\u00a0\u00a0\u00a0(D)<\/td>\nWidth (B)<\/td>\nDynamic Load\u00a0\u00a0\u00a0Rating (Cr)<\/td>\nStatic Load\u00a0\u00a0\u00a0Rating (C0r)<\/td>\nMaximum Speed\u00a0\u00a0\u00a0(rpm)<\/td>\nWeight (kg)<\/td>\n<\/tr>\n
1200ZZ<\/td>\n10\u00a0\u00a0\u00a0mm<\/td>\n30\u00a0\u00a0\u00a0mm<\/td>\n9\u00a0\u00a0\u00a0mm<\/td>\n6.7\u00a0\u00a0\u00a0kN<\/td>\n1.7\u00a0\u00a0\u00a0kN<\/td>\n15,000<\/td>\n0.05<\/td>\n<\/tr>\n
1201ZZ<\/td>\n12\u00a0\u00a0\u00a0mm<\/td>\n32\u00a0\u00a0\u00a0mm<\/td>\n10\u00a0\u00a0\u00a0mm<\/td>\n7.2\u00a0\u00a0\u00a0kN<\/td>\n2.2\u00a0\u00a0\u00a0kN<\/td>\n14,000<\/td>\n0.06<\/td>\n<\/tr>\n
1202ZZ<\/td>\n15\u00a0\u00a0\u00a0mm<\/td>\n35\u00a0\u00a0\u00a0mm<\/td>\n11\u00a0\u00a0\u00a0mm<\/td>\n8.5\u00a0\u00a0\u00a0kN<\/td>\n2.5\u00a0\u00a0\u00a0kN<\/td>\n13,500<\/td>\n0.07<\/td>\n<\/tr>\n
1203ZZ<\/td>\n17\u00a0\u00a0\u00a0mm<\/td>\n40\u00a0\u00a0\u00a0mm<\/td>\n12\u00a0\u00a0\u00a0mm<\/td>\n10.5\u00a0\u00a0\u00a0kN<\/td>\n3.0\u00a0\u00a0\u00a0kN<\/td>\n13,000<\/td>\n0.09<\/td>\n<\/tr>\n
1204ZZ<\/td>\n20\u00a0\u00a0\u00a0mm<\/td>\n47\u00a0\u00a0\u00a0mm<\/td>\n14\u00a0\u00a0\u00a0mm<\/td>\n12.5\u00a0\u00a0\u00a0kN<\/td>\n4.2\u00a0\u00a0\u00a0kN<\/td>\n12,000<\/td>\n0.15<\/td>\n<\/tr>\n
1205ZZ<\/td>\n25\u00a0\u00a0\u00a0mm<\/td>\n52\u00a0\u00a0\u00a0mm<\/td>\n15\u00a0\u00a0\u00a0mm<\/td>\n14.8\u00a0\u00a0\u00a0kN<\/td>\n5.0\u00a0\u00a0\u00a0kN<\/td>\n11,000<\/td>\n0.18<\/td>\n<\/tr>\n
1206ZZ<\/td>\n30\u00a0\u00a0\u00a0mm<\/td>\n62\u00a0\u00a0\u00a0mm<\/td>\n16\u00a0\u00a0\u00a0mm<\/td>\n19.8\u00a0\u00a0\u00a0kN<\/td>\n6.4\u00a0\u00a0\u00a0kN<\/td>\n10,000<\/td>\n0.3<\/td>\n<\/tr>\n
1207ZZ<\/td>\n35\u00a0\u00a0\u00a0mm<\/td>\n72\u00a0\u00a0\u00a0mm<\/td>\n17\u00a0\u00a0\u00a0mm<\/td>\n24.0\u00a0\u00a0\u00a0kN<\/td>\n7.8\u00a0\u00a0\u00a0kN<\/td>\n9,500<\/td>\n0.45<\/td>\n<\/tr>\n
1208ZZ<\/td>\n40\u00a0\u00a0\u00a0mm<\/td>\n80\u00a0\u00a0\u00a0mm<\/td>\n18\u00a0\u00a0\u00a0mm<\/td>\n28.0\u00a0\u00a0\u00a0kN<\/td>\n9.4\u00a0\u00a0\u00a0kN<\/td>\n8,800<\/td>\n0.6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

Typical Applications<\/strong><\/h2>\n

These bearings are widely used in:<\/p>\n

Agricultural Machinery: Ideal for high-dust environments (e.g., seeders, combine harvesters).<\/p>\n

\"Self-Aligning<\/p>\n

\"Self-Aligning<\/p>\n

Textile Equipment: Provides self-alignment and smooth operation in high-speed, low-vibration settings.<\/p>\n

Food Processing: Shields maintain hygiene by minimizing particle ingress.<\/p>\n

\"Self-Aligning<\/p>\n

Conveyor Systems: Commonly used in industrial belt conveyors.<\/p>\n

\"Self-Aligning<\/p>\n

Electric Motors: Suitable for medium-to-low-speed applications with relaxed shaft alignment requirements.<\/p>\n

Key Advantages<\/h2>\n

Self-Aligning Capability: Compensates for mounting errors or shaft deflection.<\/p>\n

Dual Metal Shields (ZZ\/2Z): Prevent contamination, extending service life.<\/p>\n

Reduced Maintenance: Pre-lubricated design minimizes relubrication needs.<\/p>\n

High Load Capacity: Double-row construction enhances radial load handling.<\/p>\n

Environmental Adaptability: Tolerates minor misalignment and harsh conditions.<\/p>\n

Smooth Operation: Low noise and vibration for precision machinery.<\/p>\n

FAQ<\/h2>\n

Q: Are ZZ\/2Z bearings waterproof?
\nA: Shields offer basic dust and light moisture resistance but are not fully waterproof. Avoid submerged use or opt for sealed variants.<\/p>\n

Q: Is there a difference between ZZ and 2Z?
\nA: No\u2014both denote dual metal shields; the labeling varies by manufacturer.<\/p>\n

Q: How to select the right model?
\nA: Consider shaft diameter, load capacity, speed, and operating conditions (e.g., dust, humidity).<\/p>\n

Q: Any installation precautions?
\nA: Ensure clean housing\/shaft surfaces, avoid impact mounting, and verify smooth post-installation rotation.<\/p>\n

Q: Can shields be removed?
\nA: No\u2014shields are non-removable. Forcing removal risks damage; use as supplied.<\/p>\n

Summary<\/h2>\n

Combining self-alignment with robust contamination protection, ZZ\/2Z bearings excel in long-life, low-maintenance applications. Their sealing and misalignment tolerance make them critical for industrial equipment under demanding conditions.<\/p>","protected":false},"excerpt":{"rendered":"

Product description:<\/strong>
\nDouble-row ball bearing design, the outer ring adopts spherical raceway structure, which can automatically compensate for the installation deviation between the shaft and the bearing seat. Metal dust covers (ZZ\/2Z logo) are equipped on both sides to effectively prevent dust and other pollutants from entering and maintain internal lubrication.<\/p>\n

Main applications:<\/strong><\/p>\n

Agricultural machinery (harvester, seeding machine)<\/p>\n

Textile equipment<\/p>\n

Food processing machinery<\/p>\n

Conveying system<\/p>\n

Electric motor<\/p>\n

Product features:<\/p>\n

Automatic self-aligning function (compensation for angle deviation)<\/p>\n

Double metal dust cover protection<\/p>\n

Low maintenance design<\/p>\n

Double-row structure enhances load-bearing capacity<\/p>\n

Smooth operation, low noise<\/p>\n

Adapt to harsh working environment<\/p>","protected":false},"featured_media":10215,"template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_cat":[244,281],"product_tag":[],"yoast_head":"\nChina Wholesale Self-Aligning Ball Bearings with Dust Covers (ZZ2Z Type) Supplier - Comdale Bearing<\/title>\n<meta name=\"description\" content=\"As Professional Self-Aligning Ball Bearings with Dust Covers (ZZ2Z Type) distributor , Comdale supply Roller Bearings, Ball Bearings, Plain Bearing, Slewing Ring Bearings, Combined Bearings, Linear Bearings\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.skf-eu.com\/vi\/san-pham\/self-aligning-ball-bearings-with-dust-covers-zz2z-type\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"China Wholesale Self-Aligning Ball Bearings with Dust Covers (ZZ2Z Type) Supplier - Comdale Bearing\" \/>\n<meta property=\"og:description\" content=\"As Professional Self-Aligning Ball Bearings with Dust Covers (ZZ2Z Type) distributor , Comdale supply Roller Bearings, Ball Bearings, Plain Bearing, Slewing Ring Bearings, Combined Bearings, Linear Bearings\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.skf-eu.com\/vi\/san-pham\/self-aligning-ball-bearings-with-dust-covers-zz2z-type\/\" \/>\n<meta property=\"og:site_name\" content=\"Comdale Bearing\" \/>\n<meta property=\"article:modified_time\" content=\"2025-05-22T07:16:32+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.skf-eu.com\/wp-content\/uploads\/2025\/05\/Self-aligning-ball-bearings-with-dust-covers-1.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"500\" \/>\n\t<meta property=\"og:image:height\" content=\"500\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data1\" content=\"3 ph\u00fat\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.skf-eu.com\/product\/self-aligning-ball-bearings-with-dust-covers-zz2z-type\/\",\"url\":\"https:\/\/www.skf-eu.com\/product\/self-aligning-ball-bearings-with-dust-covers-zz2z-type\/\",\"name\":\"China Wholesale Self-Aligning Ball Bearings with Dust Covers (ZZ2Z Type) Supplier - 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