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Simplified drawing of the bearing per ISO 8826-1, dimensions of 6311 2RS C3 PQ: ⌀55 × ⌀120 × 29 mm⌀120⌀55296311 2RS C3 PQ2RS
Fig. 1: 6311 2RS C3 PQ, simplified drawing per ISO 8826-1. Dimensions in mm

There is no photo of this product: the drawing shows the dimensions of 6311 2RS C3 PQ

Load: radial medium; axial low, on both sidesDeep groove ball

Bearing NTE 6311 2RS C3 PQ

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Specifications

Manufacturer number
Equivalents
1 exact, 38 approximate
d
55 mm
Bore diameter dBearing bore = shaft diameter. Source: supplier data
D
120 mm
Outside diameter DOutside diameter = housing bore. Source: supplier data
B
29 mm
Width BRing width. Source: supplier data
Seal
2RSrubber, both sides
Clearance
C3
C
74.1 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
45 kN
Basic static load rating C0Permissible load without rotation and under shock; ISO 76 method, manufacturer’s figure. Source: supplier data
m
1.35 kg
MassWeight of the product. Source: supplier data
01

Equivalents

the same size 55 × 120 × 29 from other brands

44 products
Cross-section drawing to size: Deep groove ball, 55 × 120 × 29 mm
You are viewingNTE 6311 2RS C3 PQ

Same size, different design: the difference is written in the row.

  • Series illustration (not a photo of this item): 6311 C36311 C3open, no protectionCT55 × 120 × 2920 pcs€3.57Request a quote
  • Series illustration (not a photo of this item): 63116311open, no protection, normal clearanceCT55 × 120 × 29475 pcs€3.72Request a quote
  • Series illustration (not a photo of this item): 63116311open, no protection, normal clearanceKG55 × 120 × 2914 pcs€5.16Request a quote
  • Series illustration (not a photo of this item): 63116311open, no protection, normal clearanceNTE55 × 120 × 2994 pcs€7.08Request a quote
  • Photo: 63116311open, no protection, normal clearanceSKF55 × 120 × 2919 pcs€22.29Request a quote
  • Photo: 6311/C36311/C3open, no protectionSKF55 × 120 × 29available to order€22.29Request a quote
  • Drawing: 311311open, no protection, normal clearanceBCA55 × 120 × 29available to order€77.89Request a quote
  • Series illustration (not a photo of this item): 6311 N6311 Nopen, no protection, normal clearanceCT55 × 120 × 29available to orderon requestRequest a quote
  • Series illustration (not a photo of this item): 63116311open, no protection, normal clearanceDYZV55 × 120 × 29available to orderon requestRequest a quote
  • Series illustration (not a photo of this item): 6311 NR6311 NRopen, no protection, normal clearanceKG55 × 120 × 29available to orderon requestRequest a quote
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Details

what this bearing is, questions

About the bearing

D 120d 55B 29
d×D×Bsize 55 × 120 × 29mm
Cdynamic 74.1kN
C0static 45kN
mweight 1.35kg

Deep groove ball bearing 6311 2RS C3 PQ, design 2RS: contact seals on both sides.

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

Frequently asked questions

How does 2RS differ from ZZ?

2RS has rubber seals that touch the inner ring and keep out dust and water better, which is the usual choice for field machinery. ZZ has metal shields that do not touch, allow higher speeds, and protect against dirt less well.

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.

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