NN3948 MODELS

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NN3948

NN3948 SPECIFICATIONS

Enjoy High Margins on Competitive NSK Double Row Cylindrical Roller Bearings Pricing.Great No Surface Treatment Wholesale Industrial Bearings Solutions Products at Low Costs. Cylindrical Bore Set Bearing Inner Dia. Shape
Min.Order Quantity:Negotiation
Price:Negotiation

Industrial Bearings Solutions

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NN3948 Systems

Bearing Inner Dia. Shape:Cylindrical Bore Set
Surface Treatment:No
Basic Load Rating, Static Rating(N):48300
Unit, Type:Insert Bearing Unit
Days to Ship:8 Days
Machining:No
Basic Load Rating, Dynamic Rating(N):67400
Stroke:No
Rolling Element Material:Bearing Steel
RoHS:6

NN3948 Product identifiers

NN3020K	Basic Dynamic Load Rating(N):36000; Bearing Style:Open Type; d:45; Specifications/Environment:Standard; Combination symbol:DT; Rolling Element Material:Steel; Days to Ship:6 Days; Size Standards:Metric System; Type:Angular Contact Ball;
NN4926K	Designation of closed end cover:SCC212; Weight:4.51 kg; B:65.1 mm; Designation of bearing:UC212G2L3; J:143 mm; N:19mm; s1:32.55 mm; A1:18 mm; Designation of housing:F212N-; e:29 mm;
NNU3024	L:184 mm; T min.:-20 °C; d1:58 mm; Designation of bearing:UK208G2H-22; A:70 mm; d:34.92 mm; Weight:2.94 kg; C:29.6 kN; C0:18.2 kN; s1:24.5 mm;
NNU4956K	T max.:100 °C; S:17.5 mm; A1:12.5 mm; e:17 mm; Weight:1.31 kg; Designation of bearing:UC207-21G2T04; C0:15.2 kN; B:42.9 mm; G:R1/8"; H:155 mm;
NN4040K	Aa - Cage-Cone Backface Clearance:0.02 in; Ab - Cage-Cone Frontface Clearance:0.07 in; Da - Cup Frontface Backing Diameter:2.52 in; Series:14000; db - Cone Backface Backing Diameter:1.56 in; Cage Type:Stamped Steel; r - Cup Frontface To Clear Radius2:0.03 in; e - ISO Factor8:0.38; C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4:21400 lbf; T - Bearing Width across Cones:1.8126 in;
NNU4956	Retainer Type:Punching; Specifications, Environment:Standard; Sealing Structure:Double Non-Contact S; Load Type:Radial; Basic Static Load Rating Cor(N):8300; Size Standards:Metric System; Bearing Ring Material:Steel; Type:Ball; Outer Ring Shape:Flat;
NNU49/800K	f0:16.5; Nlim (grease):9,800 rpm; Static load, C0:61 kN; a:26.1 mm; Precision class:P42; D6:113.9 mm; r1a max:0.6 mm; rs min:1.1 mm; Characteristic inner ring frequency, BPFI:14.79 Hz; D1:126.4 mm;
NN30/530	Basic Dynamic Load Rating(N):36000; Bearing Style:Open Type; d:45; Specifications/Environment:Standard; Combination symbol:DT; Rolling Element Material:Steel; Days to Ship:6 Days; Size Standards:Metric System; Type:Angular Contact Ball;
NNU3048K	Bearing Inner Dia. Shape:Cylindrical Bore Set; Surface Treatment:No; Basic Load Rating, Static Rating(N):48300; Unit, Type:Insert Bearing Unit; Days to Ship:8 Days; Machining:No; Basic Load Rating, Dynamic Rating(N):67400; Stroke:No; Rolling Element Material:Bearing Steel; RoHS:6;
NNU4930	T max.:100 °C; S:17.5 mm; A1:12.5 mm; e:17 mm; Weight:1.31 kg; Designation of bearing:UC207-21G2T04; C0:15.2 kN; B:42.9 mm; G:R1/8"; H:155 mm;
NNU4922K	Basic Dynamic Load Rating(N):36000; Bearing Style:Open Type; d:45; Specifications/Environment:Standard; Combination symbol:DT; Rolling Element Material:Steel; Days to Ship:6 Days; Size Standards:Metric System; Type:Angular Contact Ball;
NNU4920K	L:184 mm; T min.:-20 °C; d1:58 mm; Designation of bearing:UK208G2H-22; A:70 mm; d:34.92 mm; Weight:2.94 kg; C:29.6 kN; C0:18.2 kN; s1:24.5 mm;
NNU4932	Retainer Type:Punching; Specifications, Environment:Standard; Sealing Structure:Double Non-Contact S; Load Type:Radial; Basic Static Load Rating Cor(N):8300; Size Standards:Metric System; Bearing Ring Material:Steel; Type:Ball; Outer Ring Shape:Flat;
NN4984K	H1:150.0 mm; Seal Type:Labyrinth; Bearing:22226K; N1:28 mm; Shaft Diameter d:115 mm; H:290.00 mm; G:M20; A1:130 mm; J2:414 mm; Cage Type:EJ;

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NN3948 Technical Articles

Maintenance Method of Linear Bearing

curing Maintenance of metal linear bearings: lubrication and friction: Linear bearings are injected with anti-corrosion oil. If lubricated with grease, the anti-corrosion oil should be removed by kerosene or organic solution first, then added...

Six Steps for Installation of Linear Bearings

In all kinds of machine equipments, linear bearings can give full play to the greatest performance and achieve the greatest economic benefits of automation and labor-saving. The characteristics of linear bearings are lightweight, corrosion resistance,...

Basic Structure of Rotary Bearing

Summary Rotary bearing is a kind of large bearing with special structure, which can bear large axial load, radial load and overturning moment at the same time. It has many functions, such as supporting, rotating, driving, fixing and so on. Basic...