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Ball Bearings - 4mm Bore

Deep Groove Ball Bearings

To identify your bearing requirements more precisely, it helps to have the following information to hand:

  • Marks and numbers which are normally to be found somewhere on the bearings.
  • Inside dia. (I.D.) x outside dia. (O.D.) x width (W).
    (bearing dimensions are normally presented in this format.)

Most bearings, especially for industrial applications follow an internationally recognised bearing identification system. In some cases, the bearing will have a prefix, followed by a group of numbers, followed by a suffix. Some of the common prefixes and suffixes are mentioned below:

Prefix Suffix
S = Stainless Steel RS = Single Rubber Seal
F = Flanged 2RS = 2 Rubber Seals
MR = Metric Z = Single Metal Shield
MF = Metric Flanged ZZ= 2 Metal Shields
R = Inch  

Except for "S", all bearings are made from ball bearing chrome steel. All "S" prefix bearings are stainless steel.

Discount: 15% discount applies when you order 10+ of one bearing type.

SMR74ZZ SMR 74 ZZ Ball Bearing - 4x7x2.5 £1.92 Excl.VAT
£2.30 Inc.VAT
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SMF74ZZ SMF 74 ZZ Ball Bearing 4x7x2.5mm £1.92 Excl.VAT
£2.30 Inc.VAT
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SMR84ZZ SMR 84 ZZ Ball Bearing - 4x8x3 £1.92 Excl.VAT
£2.30 Inc.VAT
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SMF84ZZ SMF 84 ZZ Ball Bearing - 4x8x3 £1.92 Excl.VAT
£2.30 Inc.VAT
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684 684 Ball Bearing - 4x9x2.5 £1.50 Excl.VAT
£1.80 Inc.VAT
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S684ZZ S 684 ZZ Ball Bearing - 4x9x4 £1.92 Excl.VAT
£2.30 Inc.VAT
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SF684ZZ SF 684 ZZ Ball Bearing - 4x9x4 £1.92 Excl.VAT
£2.30 Inc.VAT
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MR104ZZ MR 104 ZZ Ball Bearing -4x10x4 £1.50 Excl.VAT
£1.80 Inc.VAT
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S604ZZ S 604 ZZ Ball Bearing - 4x12x4 £1.84 Excl.VAT
£2.21 Inc.VAT
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634ZZ 634 ZZ Ball Bearing - 4x16x5 £0.98 Excl.VAT
£1.18 Inc.VAT
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