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31308 · 40 × 90 × 25.25

Tapered roller · 31308

at an angle — high, on one side
    Drawing of 31308: ⌀40 × ⌀90 × 25.25 mm⌀90⌀40T 25.25C 20α31308
    Fig. 1: 31308, end view and section; internal parts simplified per ISO 8826-1. Dimensions in mm

    There is no photo of this product: the 3D model and drawing show the dimensions of 31308

    Combined load at an angle (tapered, high), axial on one sideTapered roller

    Bearing NTE 31308

    €6.21per piece incl. VAT
    In stock: 194 pcs
    In the cart

    Specifications

    Manufacturer number
    GOST number
    Equivalents
    4 exact, 14 approximate
    d
    40 mm
    Bore diameter dBearing bore = shaft diameter. Source: two supplier sources
    D
    90 mm
    Outside diameter DOutside diameter = housing bore. Source: two supplier sources
    T
    25.25 mm
    Total width TOverall width of an assembled tapered roller bearing. Source: two supplier sources
    Cup width C
    20 mm
    Cup width CWidth of the outer ring of a tapered roller bearing. Source: supplier data
    C
    85 kN
    Basic dynamic load rating CLoad for one million revolutions at 90 % reliability; the L10 life is calculated from it as (C/P)^p. ISO method, manufacturer’s figure: do not carry it over to another brand. Source: supplier data
    C0
    81.5 kN
    Basic static load rating C0Permissible load without rotation and under shock; ISO 76 method, manufacturer’s figure. Source: supplier data
    m
    0.72 kg
    MassWeight of the product. Source: supplier data
    01

    Equivalents

    the same size 40 × 90 × 25.25 from other brands

    21 products
    Series illustration (not a photo of this item): 31308
    You are viewingNTE 31308
    €6.21baseline for the price comparison

    Everything the number specifies matches: series 313, 40 × 90 mm, ordinary steel, design without special letters. The codes in the number are read against the NTE catalogue.

    • Series illustration (not a photo of this item): 3130831308This bearingNTE40 × 90 × ?194 pcs€6.21you are here
    • Series illustration (not a photo of this item): 3130831308CT40 × 90 × ?22 pcs€4.56−€1.65
    • Series illustration (not a photo of this item): 3130831308no brand40 × 90 × ?available to orderon request
    • Cross-section drawing to size: Tapered roller, 40 × 90 × T 25.25 mm27308 (31308)CT40 × 90 × ?available to orderon request

    Under the price: the difference from the price of this bearing (€6.21).
    02

    Often bought with this

    seal 40×90, shaft snap ring Ø40, bore snap ring Ø90

    6 products
    • Seal 40×90JULU 040-90-10 TCWhy it fits: Oil seal 40×90: shaft 40 and housing bore 90, the same as the bearing
      €0.73400 pcs
    • Seal 40×90JULU 040-90-12 TCWhy it fits: Oil seal 40×90: shaft 40 and housing bore 90, the same as the bearing
      Price to be confirmedavailable to order
    • Shaft snap ring Ø40CT SEG 40 Z by 1000Why it fits: DIN 471 snap ring for a 40 shaft: holds the inner ring on the shaft
      €54.16available to order
    • Shaft snap ring Ø40SEG 40 Z (100 pcs)Why it fits: DIN 471 snap ring for a 40 shaft: holds the inner ring on the shaft
      Price to be confirmedavailable to order
    • Bore snap ring Ø90CT SEG 90 W by 100Why it fits: DIN 472 snap ring for a 90 bore: holds the outer ring in the housing
      €23.89available to order
    • Bore snap ring Ø90SEG 90 W by 1000Why it fits: DIN 472 snap ring for a 90 bore: holds the outer ring in the housing
      Price to be confirmedavailable to order
    03

    Details

    what this bearing is, questions

    About the bearing

    d×D×Tsize 40 × 90 × 25.25mm
    Cdynamic 85kN
    C0static 81.5kN
    mweight 0.72kg

    Tapered roller bearing 31308. Under GOST the same bearing is designated 27308.

    C, C₀, m: NTE data. Another brand publishes its own figures, so compare them against that brand’s catalogue.

    Frequently asked questions

    What is 27308?

    It is the same bearing under GOST 3189-89: 27308 corresponds to the ISO base 31308. Size 40 × 90 × 25.25 mm, a full equivalent of 31308.

    Can I fit another brand instead of this bearing?

    Without checking, only an exact equivalent: the size, seal, clearance and design match according to the brand’s catalogue. Positions with the same geometry differ in seal, clearance or design, and each one says so in the equivalents block. Load ratings differ between manufacturers, so for a heavily loaded unit compare C.

    How do I get a price and a lead time?

    Press “Request a quote” and send the part number and quantity. We reply with the price, availability and delivery terms for your country.

    04

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