KG
Drawing of 6312: ⌀60 × ⌀130 × 31 mm6312
Fig. 1: 6312, end view and section; rolling element geometry per the NSK catalogue. Dimensions in mm

There is no photo of this product: the drawing shows the dimensions of 6312

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

Bearing KG 6312

Price on request
Available to order

Specifications

Manufacturer number
GOST number
d
60 mm
Bore diameter dBearing bore = shaft diameter. Source: supplier data
D
130 mm
Outside diameter DOutside diameter = housing bore. Source: supplier data
B
31 mm
Width BRing width. Source: supplier data
Seal
open, no protection
Clearance
normal clearance
C
85.2 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
52 kN
Basic static load rating C0Permissible load without rotation and under shock; ISO 76 method, manufacturer’s figure. Source: supplier data
Limiting speed
7,000 rpm
Limiting speedMechanical limit; depends on the seal (SKF 6200: 36,000 open, 17,000 with 2RSH). Source: supplier data
m
1.7 kg
MassWeight of the product. Source: supplier data
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Equivalents

the same size 60 × 130 × 31 from other brands

46 products
Series illustration (not a photo of this item): 6312
You are viewingKG 6312

Everything the number specifies matches: series 63, 60 × 130 × 31 mm, open, no protection, normal clearance, ordinary steel, design without special letters. The codes in the number are read against the KG catalogue.

  • Series illustration (not a photo of this item): 63126312This bearingKG60 × 130 × 31available to orderon requestyou are here
  • Series illustration (not a photo of this item): 63126312CT60 × 130 × 31571 pcs€7.24Request a quote
  • Photo: 63126312SKF60 × 130 × 31available to order€28.02Request a quote
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Details

what this bearing is, questions

About the bearing

D 130d 60B 31
d×D×Bsize 60 × 130 × 31mm
Cdynamic 85.2kN
C0static 52kN
mweight 1.7kg

Deep groove ball bearing 6312. Under GOST the same bearing is designated 312.

C, C₀, m and limiting speed 7,000 rpm: KG data. Another brand publishes its own figures, so compare them against that brand’s catalogue.

Frequently asked questions

What is 312?

It is the same bearing under GOST 3189-89: 312 corresponds to the ISO base 6312. Size 60 × 130 × 31 mm, a full equivalent of 6312.

Will 6312 C3 fit instead?

Same size, clearance greater than normal. C3 is used where the bearing runs hot or sits on the shaft with an interference fit. If the old bearing is not marked C3, take this one.

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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