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LM11910 Taper Roller Bearing for 3/4 inch Shafts - GCr15 Steel, China Suppliers, Factory Direct Quality

Material: Our bearings are crafted from high-quality bearing steel, specifically high carbon chromium bearing steel (GCr15), which is known for its exceptional strength, high hardness, excellent wear resistance, and outstanding fatigue resistance. As a leading factory in China, we pride ourselves on delivering superior products that meet the highest industry standards. Trust our suppliers for durable and reliable bearing solutions that ensure optimal performance in all applications
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    Product Details

    Bearing Detail & Specifications
    Item No. LM11910 (Inch)
    Bearing Type Taper roller bearing (Inch)
    Material Chrome steel GCr15
    Precision P0, P2, P5, P6, P4
    Clearance C0, C2, C3, C4, C5
    Inner Diameter (d) 19.05 mm
    Outer Diameter (D) 45.237 mm
    Thickness / Width 12.065 mm / 15.494 mm
    Row Number Single
    Basic Rated Dynamic Load 10,100 N
    Basic Rated Static Load 32,000 N
    Dynamic Thrust Load Rating 5,220 N
    Brand JITO or OEM
    Vibration Level ZV1, ZV2, ZV3, or as requested
    Package Options Pallet, wooden case, commercial packaging or as customers' requirement
    Performance Characteristics

    Strong Load-bearing Capacity

    Capable of withstanding large radial loads and unidirectional axial loads; ideal for operating environments with combined load demands.

    High Rigidity & Smooth Running

    Maintains high rotational accuracy for smooth machinery operation while effectively minimizing working vibration and noise levels.

    High Speed Adaptation

    Optimized internal structure and roller geometry allow the bearing to adapt reliably to high-speed rotational requirements.

    Application Fields & Product Description
    Application Fields

    Automotive Industry: Commonly used in vehicle front wheels, differential and pinion assemblies, trailer wheels, and automotive wheel hub bearings to ensure stable rotation and support heavy vehicle weight.

    Industrial Machinery: Widely applied in conveyor belt rollers, machine tool spindles, metallurgy, mining, plastic machinery, and rolling mills to withstand high tension and cutting loads.

    1. Taper Roller Bearing Introduction

    Tapered roller bearings feature separable inner and outer rings with tapered raceways. Classified into single-row, double-row, and four-row configurations based on roller arrangements. Single-row tapered roller bearings carry both radial loads and unidirectional axial loads. Since radial load generates an induced axial component, these bearings are generally mounted in pairs against another bearing to counter the opposite axial force.

    2. Tapered Roller Bearing Suffix Definitions
    A: Internal structure change B: Increased contact angle X: External dimensions comply with international standards CD: Double outer ring with oil hole or oil groove TD: Double inner ring with tapered bore
    Related 30300 Series Tapered Roller Bearings Catalogue
    Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (N) Limiting Speeds (r/min) Weight (approx) kg
    d D T B C r r1 r2 Dynamic Static Grease Oil
    Cr Cor
    30202 15 35 11.75 11 10 0.6 0.6 0.15 14000 13000 11000 15000 0.053
    30302 42 14.25 13 11 1 1 0.3 23000 20000 9900 13000 0.098
    30203 17 40 13.25 12 11 1 1 0.3 20000 20000 9900 13000 0.08
    32203 40 17.25 16 14 1 1 0.3 26000 22000 9900 13000 0.108
    30303 47 15.25 14 12 1 1 0.3 28000 26000 9000 12000 0.134
    32303 47 20.25 16 14 1 1 0.3 27000 28000 9900 13000 0.102
    32004 20 42 15 15 12 0.6 0.6 0.15 27000 24000 9500 13000 0.097
    30204 47 15.25 14 12 1 1 0.3 29000 28000 8800 12000 0.127
    32204 47 19.25 18 15 1 1 0.3 39000 36000 8800 12000 0.16
    30304 52 16.25 15 13 1.5 1.5 0.6 35000 34000 8000 11000 0.169
    32304 52 22.25 21 18 1.5 1.5 0.6 48000 46000 8000 11000 0.245
    320/22 22 44 15 15 12 0.6 0.6 0.15 33000 28000 9000 12000 0.108
    302/22 50 15.25 14 12 1 1 0.3 27000 26000 8100 11000 0.141
    322/22 50 19.25 18 15 1 1 0.3 41000 36000 8100 11000 0.172
    303/22 56 17.25 16 14 1.5 1.5 0.6 36000 34000 7700 10000 0.209
    323/22 56 22.25 21 18 1.5 1.5 0.6 45000 43000 7600 10000 0.263
    32005 25 47 15 15 12 0.6 0.6 0.15 33000 27000 7900 11000 0.114
    33005 47 17 17 14 0.6 0.6 0.15 38000 31000 8000 11000 0.131
    30205 52 16.25 15 13 1 1 0.3 34000 31000 7300 9800 0.154
    32205 52 19.25 18 16 1 1 0.3 42000 37000 7300 9800 0.154
    33205 52 22 22 18 1 1 0.3 47000 43000 7300 9800 0.217
    30305 62 18.25 17 15 1.5 1.5 0.6 48000 45000 6700 8900 0.272
    31305 62 18.25 17 13 1.5 1.5 0.6 38000 36000 7500 11000 0.26
    32305 62 25.25 24 20 1.5 1.5 0.6 61000 57000 6700 8900 0.381
    320/28 28 52 16 16 12 1 1 0.3 36000 33000 7500 10000 0.146
    302/28 58 17.25 16 14 1 1 0.3 35000 33000 7000 9000 0.204
    322/28 58 20.25 19 16 1 1 0.3 44000 40000 6900 9300 0.236
    303/28 68 19.75 18 16 1.5 1.5 0.6 46000 44000 6000 8000 0.333
    323/28 68 25.75 24 21 1.5 1.5 0.6 64000 60000 6000 8000 0.453
    32906 30 47 12 12 9 0.6 0.6 0.15 24000 17000 7500 10000 0.073
    32006 55 17 17 13 1 1 0.3 45000 36000 6900 9200 0.166
    33006 55 20 20 16 1 1 0.3 50000 46000 6700 9000 0.208
    30206 62 17.25 16 14 1 1 0.3 48000 43000 6300 8400 0.241
    32206 62 21.25 20 17 1 1 0.3 64000 54000 6300 8400 0.241
    33206 62 25 25 20 1 1 0.3 75000 64000 6300 84 0.344
    30306 72 20.75 19 16 1.5 1.5 0.6 60000 58000 5700 7600 0.408
    31306 72 20.75 19 16 1.5 1.5 0.6 57000 47000 6700 9500 0.39
    32306 72 28.75 27 23 1.5 1.5 0.6 80000 72000 7000 10000 0.55
    320/32 32 58 17 17 13 1 1 0.3 45000 36000 6500 8500 0.191
    302/32 65 18.25 17 15 1 1 0.3 40000 38000 6200 8200 0.258
    322/32 65 22.25 21 18 1 1 0.3 50000 46000 6200 8200 0.33
    332/32 65 26 26 21 1 1 0.3 71000 62000 6200 8300 0.404
    303/32 75 21.75 20 18 1.5 1.5 0.6 58000 54000 5500 7000 0.445
    323/32 75 29.75 28 25 1.5 1.5 0.6 98000 86000 5500 7200 0.65
    32907 35 55 14 14 12 0.6 0.6 0.15 39000 27000 6300 8500 0.123
    32007 62 18 18 14 1 1 0.3 50000 41000 6100 8100 0.224
    33007 62 21 21 17 1 1 0.3 63000 51000 5600 8000 0.267
    30207 72 18.25 17 15 1.5 1.5 0.6 61000 55000 5500 7400 0.344
    32207 72 24.25 23 19 1.5 1.5 0.6 85000 70000 5500 7400 0.457
    33207 72 28 28 22 1.5 1.5 0.6 100000 85000 5500 7400 0.461
    30307 80 22.75 21 18 2 1.5 0.6 75000 71000 5000 6600 0.54
    31307 80 22.75 21 15 2 1.5 0.6 61000 56000 6000 8500 0.52
    32307 80 32.75 31 25 2 1.5 0.6 11000 94000 6000 8500 0.8
    32908 40 62 15 15 12 0.6 0.6 0.15 34000 47000 5600 7500 0.161
    32008 68 19 19 15 1 1 0.3 50000 65000 5300 7100 0.273
    33008 68 22 22 18 1 1 0.3 59000 82000 5300 7100 0.312
    33108 75 26 26 21 1.5 1.5 0.6 79000 103000 5200 6900 0.494
    30208 80 19.75 18 16 1.5 1.5 0.6 61000 67000 4900 6600 0.435
    32208 80 24.75 23 19 1.5 1.5 0.6 79000 93000 4900 6600 0.558
    33208 80 32 32 25 1.5 1.5 0.6 103000 132000 4900 6600 0.728
    30308 90 25.25 23 20 2 1.5 0.6 91000 102000 4400 5900 0.769
    31308 90 25.25 23 17 2 1.5 0.6 81000 95000 5600 7500 0.72
    32308 90 35.25 33 27 2 1.5 0.6 110000 140000 4200 5600 1.08
    32909 45 68 15 15 12 0.6 0.6 0.15 34000 50500 5000 6700 0.187
    32009 75 20 20 16 1 1 0.3 57000 76000 4800 6400 0.346
    33009 75 24 24 19 1 1 0.3 66000 93000 4800 6400 0.398
    33109 80 26 26 21 1.5 1.5 0.6 84000 115000 4700 6200 0.542
    30209 85 20.75 19 16 1.5 1.5 0.6 67000 78000 4400 5900 0.495
    32209 85 24.75 23 19 1.5 1.5 0.6 82000 100000 4400 5900 0.607
    33209 85 32 32 25 1.5 1.5 0.6 100000 140000 4400 5900 0.783
    30309 100 27.25 25 22 2 1.5 0.6 110000 126000 4000 5300 1.01
    31309 100 27.25 25 18 2 1.5 0.6 100000 125000 5000 6700 0.95
    32309 100 38.25 36 30 2 1.5 0.6 150000 191000 4000 5300 1.46
    32910 50 72 15 15 12 0.6 0.6 0.15 35000 57000 4700 6300 0.191
    32010 80 20 20 16 1 1 0.3 62000 88000 4400 5800 0.366
    33010 80 24 24 19 1 1 0.3 69000 103000 4400 5800 0.433
    33110 85 26 26 20 1.5 1.5 0.6 86000 121000 4200 5600 0.58
    30210 90 21.75 20 17 1.5 1.5 0.6 77000 93000 4000 5300 0.563
    32210 90 24.75 23 19 1.5 1.5 0.6 87000 109000 4000 5300 0.648
    33210 90 32 32 25 1.5 1.5 0.6 110000 158000 4000 5300 0.852
    30310 110 29.25 27 23 2.5 2 0.6 130000 152000 3600 4800 1.31
    31310 110 29.25 27 19 2.5 2 0.6 120000 143000 4500 6000 1.2
    32310 110 42.25 40 33 2.5 2 0.6 180000 232000 3600 4800 1.92
    For more models and full product catalogs, please visit our website: www.jito.cc
    Our Advantages & OEM Services

    Solution

    Thorough requirement analysis followed by tailored technical design from professional engineers.

    Quality Control

    Strict ISO inspection systems, professional Q/C staff, and precision testing across every production phase.

    Custom Packaging

    Standardized export packaging, eco-friendly protection, and customized boxes, barcodes, or labels.

    Global Logistics

    Reliable ocean freight solutions for heavy shipments, with express and airfreight options available upon request.

    12-Month Warranty

    Full warranty coverage against defects in material and workmanship for 12 months from the date of shipment.

    Frequently Asked Questions (FAQ)
    What are the key dimensions and load ratings of the LM11910 inch taper roller bearing?
    The LM11910 features an inner diameter of 19.05 mm, an outer diameter of 45.237 mm, a thickness of 12.065 mm, a basic dynamic load rating of 10,100 N, a static load rating of 32,000 N, and a dynamic thrust load rating of 5,220 N.
    What primary materials and precision grades are available for these bearings?
    Our bearings are manufactured with premium Chrome steel GCr15 and are available in precision grades ranging from P0, P2, P5, P6 to P4, with standard clearances C0, C2, C3, C4, and C5.
    What do the suffix codes such as A, B, X, CD, and TD indicate?
    The suffixes specify structural and dimension features: A denotes internal structure change, B indicates increased contact angle, X represents standard international boundary dimensions, CD refers to a double outer ring with oil hole/groove, and TD indicates a double inner ring with a tapered bore.
    Do single-row tapered roller bearings need to be installed in pairs?
    Yes. Single-row tapered roller bearings carry radial loads and axial loads in a single direction. Because radial forces induce an internal axial load, a second bearing positioned opposite is required to counterbalance the axial force.
    What OEM customization and packaging options do you offer?
    We offer comprehensive OEM services including custom laser markings, brand packaging, specialized labels, custom barcodes, and multiple shipping package formats (pallets, wooden crates, and commercial packaging).
    What is the warranty period and policy for JITO bearings?
    We provide a 12-month standard warranty from the shipping date covering manufacturing defects in material and workmanship. The warranty does not cover improper installation, misaligned use, or physical damage.

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